People forget that the main contact point is your sit bones in the rearward section of the saddle. The rest is just peripheral support or just fluff and dead weight.
The amount of "padding" on a saddle does sweet FA other than mess with the ability of the saddle to properly support your sit...
You lot are fancy going with problem solvers...
I got 2x sets for around $11 each
Mate's Fox34 Stepcast boost... If you squint, you can see the green electrical tape.
Tyre inserts are a treatment for the symptoms, not the cause of a problem.
Just because you have wide rims, low pressure and massively capable bikes doesn't give carte blanche to give zero fs about line choices.