I don't think the author meant that the problem was Pine "standardizing" on a single distro, but standardizing on a distro which has done (comparatively, AFAIK) little in terms of active software and driver development. By diverting people to a distro which mostly siphons up the work done by others, they risk poisoning the well and driving away the developers actually writing device drivers and infrastructure.
>>spijda+(OP)
This is exactly right. And also a distro that is just refusing to disagree with pine64 when decisions are made that impact all distributions negatively