I would argue that having the majority of your infantry force being incapable of modern night fighting is in fact a critical shortcoming that should be urgently addressed by modernization efforts lol
On the one hand, I agree to an extent. On the other hand, if we rank the most pressing traditional domains of warfare/service branch for the PRC, from highest yield to lowest yield to seek maximal funding in, in terms of its strategic priorities and regional challenges:
- Air/Naval/Missile/Cyber/Space/Joint Logistics
....
....
....
....
- Ground
And if we were to separate the major components needed for a successful ground warfare military, from highest yield to lowest yield in context of its major pressing ground priorities to seek maximal funding in, I would say:
- Fires/recce/C4I/EW/logistics/supply
- Mechanization/motorization/rotary support/organic AAD
....
....
- Infantry
Of course, having competent infantry is somewhat important in the prior aforementioned domains (Air/Naval/Missile/Cyber/Space/Joint Logistics) for the purposes of things like base security and counter-SOF efforts, and in theory all warfare is multidomain and joint to an extent as well...
... but it is undeniable that infantry fitout is probably the lowest yield priority for the PLA in ground warfare, while ground warfare itself is the lowest yield domain/service branch for the PLA overall. Infantry fitout is thus the least important of the least important.
So sure, having most of infantry incapable of nightfighting is a critical shortcoming, but if it gets to the stage where infantry being incapable of nightfighting becomes significantly relevant to the PRC warfighting effort, then chances are everything else has already gone poorly for the PLA as a whole and the conflict is basically already over.
Now, I do agree that I think the PLA should be well funded enough that I think they can probably proliferate night fighting equipment a bit more widely in a slightly more standardized manner than they have in the past.
E.g.: SOF, recce units, could probably standardize to have it as part of their curriculum and TOE. But I'm not unsympathetic to the reasoning for why standard line infantry have yet to receive stuff like NODs and IR lasers.