Dog food/farmers dog

Hey guys, I have a 4.5 yr old American bully. He has a super sensitive stomach. I've tried tons of foods. I've had him on Farmers Dog Beef recipe for a few months now.

His poops have become way more solid/healthy. Only poops once a day(like clockwork), no longer shaking head/itchy /allergies from other dog foods, and he has zero gas (used to fart toxic waste all day long).

He absolutely loves the food. Hes literally like a crack head with it lol.

THAT ALL BEING SAID.... l've recently come across A LOT of negative reviews on here about it. Saying super fatty, it's not actually vet backed, and they are making false claims, super bad for ur dog... made ppls dogs VERY ill...all kinds of really alarming stuff. Is this negativity accurate!?? Or did it just not jive with those ppls specific dogs!? I don't mind paying for high quality food ... PLEASE HELP and PLEASE advise.

I'm open to raw food diet or cooking fork for him but just a lot of work and I don't want to miss any nutrients/leave anything out that he needs for his diet,

Guess I'm asking for opinions/personal experiences as well as facts about farmers dog. As well as other recommendations if you dislike farmers dog (would like to steer clear of kibble)....Thank you in advance!! 🙏