Am I being stalked by a former prospect?

So about this time last year I engage with a prospect regarding some significant upgrades for the small, local financial org that he works for. We have a lot of back and forth and he's a fun one- great banter, and while it's obvious he doesn't really know his stuff in the IT world, he's obviously trying and I think we can all respect the hustle of fake-it-til-you-make-it.

Fast forward a few months and he keeps asking me to quote things he never follows through with ordering, adds me on Instagram, and tells me he's ready to demo two products. I accept the add, and schedule the demos- they go well, he chooses a product, and then pricing comes back a little higher than he expected. Then, crickets. His chosen form of communication is text- and my texts are met with things like 'sorry I'm going through a bad breakup and looking for a new place to live' 'oh sorry, I'm off today- out here mowing my lawn without a shirt to avoid tan lines' etc. Gross, but okay we all put up with some level of gross to get a deal. For a while I would respond to these flirty texts in my best friendly but not flirty way, trying to keep the deal alive.

Then, in June he pushes me off to Q4 and I let it lie there. A few weeks ago I found out his superiors were informed of his inappropriateness with me via a friend of a friend type of situation, and they would like to talk. I declined to put a statement on the record, because I can't be scaring anyone off from doing business with me in a limited market, but did speak with the President of the organization about my experience. I find out that he told his superiors I wasn't able to achieve what I promised and that the timing was such that he told them he wouldn't be doing business with me right when I quit responding to flirtatious texts. Lo and behold, he was let go for not only this but some internal issues as well, and now I get notifications that he looks at my LinkedIn daily- and once I got 4 alerts in one day that he was on my page. Thing is, they did say that they would not reveal anything about me to him or even what I described to them- they had plenty of grounds for termination otherwise (see again the "he doesn't know his stuff" segment of the post).

Do I.... end up in pieces in a basement freezer? Block him? Will blocking him alert him to something? Is LinkedIn's notification system potentially just wrong and he's not actually on my page daily?

Disclaimer- WR Admins please don't choose this post to highlight in anyway... would love if we had a way to mark whether or not we cared if the posts we make are shared or not.