Its still getting delisted everywhere so i doubt it, but there is already work underway to go to full membership proofs and the option to increase ring size in the meantime. The best thing about monero is that its always incrementally improving where it matters most, unlike bitcoin.

no

they always have been but it seems to take a considerable amount of manual work I only have two automated heuristics right now and they only identify the sender in about 1 in 15 cases I plan to add about four more automated heuristics but I still think you'll need a considerable amount of off chain data entry to get really good data