Of course we don’t care which state she pays or doesn’t pay taxes to. What’s more important is the source of her income. It’s dividends on the shares she owns.
“She owns £700m in shares of the Indian IT giant Infosys, founded by her father, from which she received £11.6m in dividend income last year.”
https://www.bbc.co.uk/news/uk-politics-61045825
That’s £11.6 million for which she has to do absolutely nothing. It is what the UK tax authorities used to call (until they realised the implications of the term) “unearned income”. She doesn’t earn it but gets it simply because she owns part of a capitalist business. It’s a pure property income and as “ill-gotten” as the income of the Russian oligarchs since the only place it can come from is the work of other people — of the appropriately called working class — for which they are not paid in full.
She is a classic capitalist, a reminder that the idle rich still exist.