I noticed that in the last block, there are a number of very low (22s/vb) transactions being included, and the cut-off for inclusion appears to be ~200s/vb.

https://mempool.space/block /00000000000000000001fa86cd61c311befcf084d7c7bc16f5f1533dadb77387

One can assume they paid to miner for inclusion, possibly via lightning sats.

The contents of the inscription indicates it is implementing a 'BRC-100'. It appears to be this: https://docs.brc100.org/

Why suddenly, after many years of peace, is every idiot out there trying to carve their bullshit into BTC? Where are all these barbarians coming from?