Do you agree with nostr:npub1lh273a4wpkup00stw8dzqjvvrqrfdrv2v3v4t8pynuezlfe5vjnsnaa9nk that APIs to submit out-of-band transactions directly to pools are an attack?
If yes, you have 2 options:
1. Run Libre Relay to propagate non-std txs and render Marathon's Slipstream obsolete.
2. Try to change consensus.
Complaining will only expose your lack of understanding of the incentives at play.