Facts known by most, not all.
1. Mobile Fidelity owns & distributes a number of audio brands: https://mofidistribution.com/our-brands/
2. Mobile Fidelity is owned by Music Direct, who distributes and deals a whole lot more audio brands:
https://www.musicdirect.com/brands/
I encourage people to flip through TAS and see what the percentage of ads come from one of the brands that are listed in the two links above and come to your conclusions on whether there is any true separation between church and state in the support for the brands covered in editorial vs the advertising.