Earlier quoted context omitted.
And how would that work? Google and Facebook could charge more for ads which impacts mostly the advertisers, Amazon could in fact increase the prices impacting average Joes in the UK, but they would lose the advantage over smaller competition unaffected by this kind of tax. This is a globalisation tax that would most likely not affect "normal" people while still bringing quite a few pounds to the national budget.
> Google and Facebook could charge more for ads which impacts mostly the advertisers How does that work? There is no level of indirection after which the money somehow comes from some magical place. This is still paid for by the consumers in the end. Somebody pays for the ads and the cost of that is factored into whatever the ads are for.
That said there are limits to what can be passed on without harming profit margins given other constraints like price points.