Much of this misses the point and is based on nothing but fond suppositions, as such it ignores the biggest story: the decline of Indian power.
This is foolish. Undemocratic regimes are far more concerned with public opinion than democratic ones.
Once citizens start criticising politics. they may start criticising their own
Undemocratic regimes are very careful about which political opinions get voiced.
The response from the Indian PMO and its embassies abroad confirmed this, if confirmation was needed.
That message was received, and reinforced by the government of India's response.
And now the story has come to an end.
The US is an extreme case, but it has made itself notorious in not allowing other countries to deal with flagrant crimes committed by its citizens (like soldiers in Japan.)
Remember the Italians kept in prison after killing Indian fishermen? (Modi let them go back, even Italy has pull, though Dr Singh's government had refused, and the EU had preferred not to antagonise India then. 8)
The leverage we had as a big market is in the toilet, with unemployment surging and the economy at the knackers. Those NRIs aren't going to find high paying jobs here.
Our last Republic Day Chief Guest was Bolsonaro, and who's going to listen to him?
We are a country with no real allies, and our misguided attempts at bullying our neighbours means that we're also largely alone even in South Asia.
This is the big story, which we should not miss.