One piece of praise:
What seems to be your main argument, that it would have made more sense to talk about the «working class loneliness epidemic», or “gay loneliness epidemic,” or “Black loneliness epidemic”, is spot on.
Two pieces of criticism:
1)From what I can tell, your claim that women experience more lonleiness than men seems to rest on a single cherry-picked, non-peer-reviewed paper by some insurance company. When you go on to state that «This finding is consistent across the past five years and is replicated in multiple reports from other sources» you link some web page and a meta study, both of which unequivocally states that men experience more (though not much more) lonliness than women.
2)I find your hypotesise, that the gender disparisy in suicide rates is «a gun issue, not a gender issue», unconvincing. My home country (Norway) does not have much of a gun issue, yet Norwegian men commit suicide at about twice the rate of Norwegian women (most commonly by choking/ hanging themselves).
I would be interesed in hearing your thought on both points.