How stablecoins impact Ethereum credible neutrality

We generally don't share FUD here but I don't think this is one - seems like a valid concern, not much different from concerns over Lido.

I think it's good to know this attack vector and take it into account.

Nice to see that it's not only a problem for Ethereum: https://bitcoinmagazine.com/takes/stablecoins-are-the-cbdcs