you're not wrong. In fact IIRC I think it was me that setup that horrible xdotool hack with zxczxc. (It's on a thread somewhere) EDIT oh yeah:
https://www.mobileread.com/forums/sho...47&postcount=1
TBH I think he would be best using the
lipc-set-prop com.lab126.powerd preventScreenSaver 1
but you are correct. one can simulate a button push in that manner.