If enough of us ask smart TV manufacturers for our data perhaps they will have second thoughts.

We should however be prepared to pay more for TVs if they do.

These guys seem to have a decent howto:

https://www.datarequests.org/blog/sample-letter-gdpr-access-request/

ill-defined caveat regarding the nebulous property of 'percieved value to others'.

It is not nebulous or ill-defined at all, it is quite plainly spelled out in the narcotics laws of your local jurisdiction, which are by definition the local standards for materials that impose a higher perceived cost than benefit. If none of this makes sense to you, try Tierra del Fuego, I hear you can set up your anarchy there for little cost.

thanks, you are right.

I read it earlier this year in "True Names and the opening of the cyberspace frontier" containing the short story by Vernor Vinge and a series of essays by various computing luminaries, including Stallman's story, edited by James Frenkel.