More likely is that they would ban British companies (or companies operating in Britain) from publishing ads on Facebook and doing business with them (including local data center operators and ISPs, Google and Apple as app store operators).
It's all about economic power. The UK has to think about potential retaliation by the US.
In the end,Trade wars are often bad for everyone. Usually it's beneficial to find a compromise if possible.
I don’t follow this. All kinds of economic power exists outside of legal boundaries, on large and small scales. Everything from street prices for drugs to bribery demands at government levels.
Even laws designed curb market abuse through fines can be considered a cost of doing business rather than a disincentive, making it an economic tool for the perpetrators.
It's all about economic power. The UK has to think about potential retaliation by the US.
In the end,Trade wars are often bad for everyone. Usually it's beneficial to find a compromise if possible.