Earlier quoted context omitted.
It should have a positive effect, because you're avoiding larger charges and keeping your battery at optimal levels.
i've found what I believe to be the heat generated by wireless chargers to have a negative effect on my battery longevity. Personally, I avoid them now after being a huge advocate from them. The reality is, Battery life on phones have improved to the point that I also rarely need to charge my phone anymore other than what I'm about to go to sleep anyway.
On the Android side, batteries have gotten bigger with phones but more importantly the OS is getting better at battery management. With lineage 16 (Android pie), I can choose to enable battery saver at 75% battery.
I'm still on a Nexus 6. What has changed in battery technology recently?