I approach the issue quite differently. If I know an app hasn't been upgraded to be compatible with the latest version of iOS, my solution is not upgrade iOS. I'm still running an older version of 8.x on my iPad 4.
First World problems of an "Collector" with this events
Same thing for me.
iPad Air runs on the latest iOS 8.x
iPhone 6 runs on current iOS 9.x
That has bitten me only on 2 games so far which are iPad only games and need iOS 8.
I was musing over getting a cheap iPad mini for pure luxurious convenience sake. Many older non-universal RPGs use the upscale option when played on an iPad with mixed results. I like me some twin-stick shooters/ virtual controls rpgs but I am a bit conflicted here. I don't like to play on the phone's tiny screen while twinstick/virtual control games have the tendency totire me out on the iPad due to bad placement of controls (trough upscaling). So these games would be perfect on an iPad Mini as it combines the best of two worlds.....however with the lingering danger of iOS 9 and 10 as well as this new nightmare I am directly heading into panic mode. Its worse enough that developers themselfes take the games down without further notice (Zenonia 2, Chaos Rings 1 and 2) but now Apple as well?
Sure people have the right to complain about non-updated games but why not let old iOS gamers not have their stuff? What about collectors? I went on a shopping frenzy yesterday to at least finish my Kemco RPG Collection. Maybe it was an unnecessary waste of money in the light of current events but I wanted at least to collect them all (playing/finishing them all will be an impossible task after all).
My Appshopper wishlist is about ~250 bucks worth of games waiting to be collected "later" but I fear that there will be some sad stories down the road here. Tons of "Choice of..", Gamebook Adventures, etc still to be purchased....gnaaa...
Why not do it like Steam did with Fallout 3? Slap a big warning disclaimer like their "Game not optimized for Win7 won't run!" on the iTunes Shop page and let the user decide if they want to throw money at them. Supporting Devs? Collectors collecting?
Troubling Times indeed!