being autistic myself i think its because often i know for mysekf at least the only way sometimes i can understand someone else is through my own expieriences and the only way i can explain that your nit alone is ive gone through this to xyzi think its just how most of us communicate that were there for you even if it dont seem like it and im not tryna back them up im just saying maybe there like me and they dknt mean it toxically there just trying to communicate i understand you i gone through a similar expierience your not on your own i got you  you know what i meansome may be toxic positivity but some may be like me and this is just how i personally communicate those things