So I’m guessing it’s a combination of dun/den/tun etc being a common suffix in a lot of historical languages, and ‘ei’ being an extremely common diphthong worldwide just… leading to a lot of similar-sounding names that also converge in spelling in modern English?
I’m sorry, but ‘crash when pressing Ctrl+C’ is a hilarious bug.
Most such tactics are explicitly illegal in the UK, unfortunately. Basically, the legal framework for labour strikes in the UK is set up to maximise inconvenience to the public and minimise the tools (and effectiveness of those tools) available to the workers and their unions.
The purpose and function of the police and the courts is the protection of capital from the people. Some cases illustrate this more clearly than others. This is one of them.
I may be wrong about the actual reason for this - as ‘double V’ is also quite common - and it may just end up being some kind of ‘well when the printing press came to England’ thing, but:
In the classical Latin alphabet, the letter ‘V’ was not actually representative of what we today recognise as the /u/ sound (or its variants). It was in fact the written form of the /u/ sound (and related variants). So when the W was introduced to the English alphabet, I guess it was indeed a ‘double /u/‘.