Agree but for different reasons and I don't agree it's linked to Brexit.
Things I hate the most are:
Knife crime which is rife in my area and means I worry every time my teenagers are out the house
Our pathetic criminal justice system and sentencing laws which dish out pathetic sentences for murder, child abuse etc
Being ripped off by banks and energy companies and the government doing nothing about it
Ridiculous levels of wokeness
Generally that you seem to be penalised for working hard by paying a shit load in tax and childcare in return for never seeing your kids
Inheritance tax - friggin unfair to pay tax AGAIN on assets you've bought with money you've already paid tax on, especially with house prices the way they are.
I could go on.
There are also lots of things I still love about this country. Most people are great and we're generally a very open, caring society. It's also not that easy to up stick and move to another country as you need a visa and to speak the language if you want to get a job. Having paid into the system for 25% years and having been born and raised here, I don't see why I should move.