Depends on whether those businesses want to do business with the EU

It should only affect companies that have a presence in Europe, as in an office or some entity.

They only apply to your business in Europe.

You don't need to apply gdpr when serving non European users.

I think that's different because I have a positive personal opinion of the GDPR and a negative personal opinion about what the UK is doing. Therefore the GDPR is good and this is bad. It's really quite objective.

The GDPR is about your data being handled overseas.

OFCOM&co is about overseas data going to you.