Need ability to turn off Input button on Xfinity remote for people with cognitive issues (Elderly, medicated, etc…)

Please create ability to turn off/on the INPUT button on the Xfinity remotes via settings.  I have had three seniors over the past seven years who all have reached a point in which their cognitive abilities have degraded. Out of these three I have been called at least fifty times or more all for the exact same issue: they didn’t realize they hit the input button instead of power button at some time when they were done watching TV and when they went back to watch TV they can’t figure out what’s wrong and end up calling me saying ‘My TV is on but I don’t have a picture’. Every time the issue is they somehow unknowingly hit the input button.  When they first start doing having this issue, I could just talk them thru the steps to correct the issue (select the right input) via phone but unfortunately each over time eventually gets to the point where I can’t talk them thru the correction as they just can’t do the hand/eye coordination and it’s from that point I have to go to their house as soon as they call and every time I show up I find the same problem that they unknowingly had hit the input. Today (03JULY2022), I came up with a temp fix I wished I did before two of the three had passed away - I took a razor and cut the input button off flush, if not just below, the remote surface and then took a black permanent marker to color the cut button, the area around it, and the wording ‘TV Input’. Only time will tell if this will work but my testing of it was a success as I couldn’t depress the button with any normal depression and I couldn’t feel any part of the button sticking up. However, a better answer would be to make a setting to turn off/ on the input button operation via settings.