It isnt about whether Turks are Muslim, etc. It is about quality concerns. I am in the same boat, looking for another HD shotgun. Prices are high due to panic buying and the cheaper manufacturers are ginning them out like crazy, with the Chinese and Turkish made guns priced about where a good used Mossberg was before everything went crazy. That's why the foreign stuff is of interest right now, because of current pricing.
People make a good point that the quality of American made firearms isnt what it once was, but for my money I would still rather search online auction sites and see if I could luck out with an older production 870 or 500. The Turk made stuff may be fine, but for me it would lack "peace of mind" confidence- and it would take a lot of problem-free performance to instill that with the foreign stuff. Thats just my 2 cents, and others mileage may vary.
By the way, when searching for shotguns on line, search for the gauge rather than by make. Some of these companies made "store brand" shotguns for places like Sears, Montgomery Wards, Western Auto, etc. That are essentially the same as brand name guns by the same maker. Its easier to find one with a standard barrel than 18 or 20 inch barrels, they tend to be cheaper as well and you can always have a smith cut down the barrel.