Mint is said to be shopping itself. Altice, which has recently rebranded as Optimum Mobile, is said to be interested in buying Mint: Report: Altice looking to buy Ryan Reynolds-backed Mint Mobile.
CNET: T-Mobile Rumored to Be Buying Ryan Reynolds' Mint Mobile.
That's always the concern with resellers, we really only still have 3 big ones and 1 small one (Dish).
Mint has been "shopping itself", or whatever the correct term should be, since at least 2021. https://www.fiercewireless.com/wireless/report-altice-looking-to-buy-ryan-reynolds-backed-mint-mobile
Yes, that's the same article I linked in the top post back in August of 2021. This is an old topic. 
Oh, yeah, lol! Silly me!