Yes its a lot more paperwork now. You can't just move somewhere in Europe on a whim now like you could pre-Brexit, you have to have a reason like work (as in already have a job in the country you move to), family members living there, or studying there, or be independently rich so you can fully support yourself and get a residence permit on that basis. Then there's applying for the first residence permit, then renew regularly until you are able to apply for a permanent residence permit, and each time there's a risk you'll get denied.
@Natsku isn't that already the case in the EU? Otherwise, wouldn't all the young unemployed people in Spain and Greece just move to where there are jobs? There are still residence requirements across the EU, such as not being a burden on the host country; the UK just chose not to enforce them (largely because of the far left wing activists and media who won't let us remove hardened foreign criminals, let alone nice EU citizens who just can't afford to pay their own way).
"Staying in another EU state for up to 90 days
As an EU citizen, EEA or Swiss national, you can travel within the territory of the European Union, the EEA and Switzerland. You do not need a visa to travel to another EU, EEA country or Switzerland and your passport should not be stamped upon exiting your country or entering another country.
EU countries must not set conditions (other than needing a passport or national identity card, or to report their presence to the authorities) for EU citizens to enter their country.
This means that you should not be asked to prove that you have an offer of employment, money to live off, are registered with a college, or have any other particular business or purpose to visiting the EU member state.
EU citizens, EEA or Swiss nationals who arrive in Ireland must have a passport or national identity card. If you are travelling in mainland Europe, you may be allowed to move between countries without showing your passport or identity card (in the Schengen Areaa_).
Family members of EU, EEA or Swiss citizens, who are not citizens themselves, may have to apply for a visa to enter Ireland. See ‘Family memberss_’ below.
Your right to stay in an EU, EEA country or Switzerland for up to 90 days could be cancelled if you become an unreasonable burden on the social assistance system of the member state. If you have recently moved to Ireland, have not been able to find work, and have no money to support yourself, the Irish state does not have to pay you social assistance. See ‘Restrictions on freedom of movementt_' below."
"Restrictions on freedom of movement
A member state can restrict free movement on the grounds of:
• Public policy
• Public security
• Public health
This means that you could be expelled from the EU/EEA country or Switzerland where you live in some circumstances. The longer you have lived legally in that country, the stronger the safeguards against being removed and returned to your country of nationality.
A Removal Order cannot be disproportionate. In other words, a country could be breaking EU law if they remove you without good reason and without an examination of the facts of your case.
Before a decision is made on granting a Removal Order against you, the member state must consider:
• The length of your stay in the country
• How well you are integrated (for example, your work history)
• Your age and health
• How removing you would impact other family members who would remain in the State
• The links you have to your country of origin
You may also be removed if you have lost your residency rights. This could happen if you have not found work after 3 months of residence and are not able to support yourself."