There have been multiple accounts created with the sole purpose of posting advertisement posts or replies containing unsolicited advertising.
Accounts which solely post advertisements, or persistently post them may be terminated.
strahlemann , 10 hours ago German uBlock Origin (of course) Snowflake by The Tor Project YouTube: Unhook: Remove YouTube Recommended Videos Comments SponsorBlock - Skip Sponsorships on YouTube FireMonkey/ViolentMonkey/Greasemonkey with the “YouTube Age Restriction Bypass” userscript
YouTube: