Spyware is valid software and we normally use antimalware to protect ourselves from them.
So Samurai Whirlpool and Paynym is also spam? https://x.com/Diverter_NoKYC/status/1732337726924448102
This is allowed by default on bitcoin-core and fits within the acceptable usage since it’s a standard transaction. Luke further tweaking it so that it’s not standard on his pool is a personal choice, if you don’t like it then direct hashpower elsewhere. This is a separate issue from the one described in my post.