I know there is alot of smart guys on here but it's gonna be that one guy who figures out an exploit and save the day.
2 years or so back when I had a ZTE Max/Iconic phone. The $100 6 inch phone back in 2014-2015 it was "SuperR" that saved all of us.
Nobody could do much with the phone. This one guy came out with everything for our phone. Custom deodexed, debloated ROM, all the files, flashes, links, everything. Than when we got 4.4 he did the same thing. Than he gave us a OC kernel with some other tweaks. Without him, that one guy our phones would have been just like our scenario now.
This is kinda off topic but it just gives me that deju vu feeling with this ZTE also.
The talk above about overclocking and govs makes me miss root so much. I'm not a dev, I'm a tweaker. If this discussion was more about swappiness, gov tuning, clocking, etc etc I can chime in alot more. Still hopeful one day while I own this phone we get root. Xposed alone is worth it