This isn't the OP question. But Alibaba & Telegram have global reach (not necessarily good examples, though, but remarkable technology growing outside the silicon valley).

If you only read the statement with the question mark, that's technically not there, but that would be missing the context of the rest of the post, in which OP says "I am curious why India does not have good product companies with global reach like TWTR, Slack, FB etc".

Telegram is a company made by Russians, but not a Russian company, and while it is made outside SV, it wasn't made in a place that blocked foreign companies, as you recommended, and which is what I disagree with.

But you agree that the Chinese companies are the only ones systematically capable of competing with the ones from Silicon Valley today, don't you? I don't have an argument against Chinese protectionism. It paid the price.