Someone is paying so much for transactions
 Makes no sense.

I also see lots of blocks in the mempool  and many blocks 100% filled with transactions like this, 60 inputs (legacy) and 1 output (segwit)

https://mempool.space/pt/tx/30e69caa762c832bafb0b1a95c67a0d1edb5986dfb69c983f5fba0343aa1300e

Someone is creating this transactions to flood the network?