Public sector workers have a huge amount of influence over public perception. Which people often disregard.
A Nurse viral video tearfully saying she went to the supermarket and couldn't buy enough shopping directly contributed to supermarkets forming NHS slots and discounts.
And some ITU/COVID ward staff in hard hit areas posting similar videos about the absolute trauma they are going through contributed to public perception that the NHS was on its knees and you must stay home.
And they were valid and heartbreaking. Which is awful, but not reflective of everyone or even near everyone working in the NHS. Or every area of the UK.
The general public don't assume that though.
And then local or national businesses and members of the public respond as think 'that's the reality for all the NHS' dropping off vast free supplies of food or other supplies to staff in hospitals which are often not needed or wanted and the staff could afford to pay for anyway.
Which are going to waste and/or you have some NHS staff reporting near empty wards, massively reduced workload but loads of free pizzas, nandos, krispy cremes and Easter Eggs etc to eat.
So when people see NHS staff have time for dance routines on empty wards wearing PPE they were told they didn't have, it isn't a massive stretch to realise that a lot of the public don't realise that isn't a representation of the NHS as a whole and wonder if they were conned into thinking the NHS was having a hard time in the first place.
So then they start to relax the restrictions they put in place on advisement because the NHS is just fine and they don't need to 'protect the NHS' anymore. And they call for a stop to lockdown because they were told to adhere to 'protect the NHS' and it's worked.
What public sector workers do and publiscise matters.