As per our experience touch panel did not damage in 90% case
Please confirm, if your laptop is mishandled by some other vendor or yourself, then if possible that cable gets loose, so it just fixes the cable and your problem solve
In many cases when your laptop get heat while charging the glue(a chemical) from which the touch bar pasted get heated and stop working, so simply it means your laptop need a service. For us, we service your laptop free once a quarter.
Never use any hard sharp object into a touch panel
Call us at +91-9971909844, if you need further assistant