Many people on lemmy just read everything and block subs they don't want, rather than sub to what they do want. Subscriber count might not mean that much.
An app that allows manual control, and then increasing the shutter speed to avoid blur.
Phone cameras aren't generally the best at action shots, they have too much delay. It's easier to record slowmo and pick out frames, but then image quality suffers.
You could do something like nextcloud to solve a lot of issues, but I'd still hesitate to recommend on-prem hardware and managing hardware yourself. It really comes down to the business tolerance for outages though, maybe the computers being down for a day or two doesn't matter.
That describes almost every comic I see on lemmy.