This will only hurt the people who live in the UK. Those companies will just raise their prices to cover the tax. Sure maybe the local companies could then undercut Amazon if they somehow don't have to pay the tax, but eventually they'll just raise their rates to match because why give up the profit margin if they don't have to? It doesn't matter anyway, the tax will never happen. They're just using it as a point of…
The tech giants are free services! Adding 2% to the price of Facebook leaves it still free! I know it's a dogmatic talking point that you have to make to pretend that tax incidence is pointless, but it doesn't work here.
No - See [0] which is Facebook's own page about their charges. Either Facebook will soak the additional costs up and / or pass them them on their paying users - the advertisers. Who may in turn pass the increased ad costs to the buyers of the advertised products / services and/or cut internal costs. Something like that.
[0] https://www.facebook.com/business/help/201828586525529?ref=f...