It was most probably just a psycho.
Doesn't make any sense to make such a big deal about it and 'connect' it to the elections and to 'oh where today's generation has gotten to' garbage.
Unfortunately, it's becoming a problem of relgious folks hurting other folks for what they think is l'shem shamayim.
A few years back, there were actual fights in a group called Satmer in NY when the followers of 2 rabbanim started quarelling.