This would be a great thing to happen; under a Starmer gov't (and any inbound Reform administration) it is not gonna.
Also petition.parliament.uk is a tool created by Westminister to divert energy from real action to signing a petition. If you wanna get involved with doing something like this then look to and support Open Rights Group, Big Brother Watch, Privacy International etc.
It is; I would be mindful that one blurred house on a street of unblurred houses probably creates more intrigue to anyone casually looking at that street.
Search is keyword based so the words should be matched in most cases without quotes (omitting stemming here as a possibility); you cannot -"two words" but you could -blind -desire
Agree with a lot of the comments here, whether it's privacy or not wanting to use GAFAMmmy tools, there are better options than ungoogled chromium. For privacy: https://privacytests.org/ (maintainer works at Brave, but by and large this site is useful)
The best work on this is being done by ORG IMO: https://action.openrightsgroup.org/tell-your-mp-online-safety-act-isn%E2%80%99t-working
Kick them some change if you can afford it too.