We should probably stop saying and believing that. This is basically the UK government making a deal to the developers they cannot refuse: cooperate (install backdoors) or get prosecuted. The French tried to do something similar not so long ago.
A decade ago politicians genuinely didn’t know much about the internet so most of the laws were terribly ill informed good ideas. The new sweep of internet legislation like chat control, age verification and banning of vpns are much more dangerous because those pushing know exactly what they are doing.