Michael, being in the media for so long, you know the answers to this. However, since you asked...
1) If possible, keep editorial and advertising separate.
2) We understand that advertisers keep a show on the air. Further, we understand that having that relationship has also opened doors with the companies. Therefore, it's reasonable that it's easier to acquire product from those companies. Easy is good when it comes to production.
3) Inversely, you may not be on the press list for some companies who don't advertise with you, making it harder to receive product from them, ergo less appearances in your mediums.
4) Some companies are hungrier, and/or more willing to work with press. (e.g. Masterpiece Arms recent contact) Others, less so.
If a show is strictly pay for play, hopefully people notice and filter their information. I hope even these sources don't lie, and that objective information they present is true. They're a source of information, but not objective.
There's more I want to say, but I need to think on it.
Can I ask a stupid question here?
Ruger is an advertiser on my shows and website, which makes me "paid by Ruger." My good friend Jeff Quinn's website, GUNBLAST, has as one of its top advertisers Ruger, but he's not paid by Ruger. Mas writes for magazines who take ads from...Ruger...but he's an objective source. If a show that is strictly "pay for play" — that is, unless you buy an ad your product doesn't exist, period — an objective source of information? You notice a gun magazine has 3 full page ads from the company that made the gun on the cover...how objective would you rate that information.
How exactly does this work?
Michael "PUZZLED" B