I've been seeing discussions lately around the YouTube fascism algorithm [not directed at me] implying that if you get those suggestions it's because that's material you have sought out.
Not true.
It's been studied and repeatedly shown--like a vehicle w/poor alignment--suggestions will drift to the right pretty quickly.
To "never" get them, you must
a) be outside targeted demographics AND
b) not look at DIY, repair, survivalism, building, cooking, sewing, politics, animal husbandry, automotive