i added these lines to : MY FILTER LISTS

youtube.com##+js(set, yt.config_.openPopupConfig.supportedPopups.adBlockMessageViewModel, false)

youtube.com##+js(set, Object.prototype.adBlocksFound, 0)

youtube.com##+js(set, ytplayer.config.args.raw_player_response.adPlacements, [])

youtube.com##+js(set, Object.prototype.hasAllowedInstreamAd, true)
www.youtube.com##+js(nano-stb, resolve(1), *, 0.001)

i dont see ads with firefox and Ublock oriin,maybe it helps