There are two reasons to think an imminent farm in could happen...

There are two reasons to think an imminent farm in could happen this month as opposed to the non farm ins of the previous several dozen months.

1. Buru will release test results of their program. Why wouldn't a farm in partner wait and see what tens of millions of dollars and several year's work results in before finally signing on the dotted line? The "talking to potential farm in partners" is an old line used many times, but it's actually believable here. There are logical reasons they might have been talking to someone for months but hold off... hold off.. hold off until there are some final results to see whether it's worth going ahead with or massage details based on them.

2. OBL lose operatorship this month. Personally I don't care if they do, I don't think it makes a fig of difference. However they no doubt have vested and emotional interest in retaining it. They've demonstrated in the past they are willing to play hardball and go all out to defend what is theirs even when their case isn't the best. This fact might indeed push a last minute hail mary farm in.

That might not be the worst thing. If REY took over they'd only be attracting chinese money anyways most likely. It's not like REY is going to attract a much better partner, only that I know they are actually capable of getting chinese money, not talk about it.
Additionally the terms of the partnership state REY has a right to match any farm in offer so hopefully that will protect from a total bottom of the barrel farm in designed solely to retain control and maybe not in the best interests of everyone involved.

I agree the buying doesn't show much of a sign of discussions in the works. I certainly wouldn't be betting a lot of money on it, but there are valid reasons to assign some weight to the idea and that it's not more of the same stuff everyone's heard a hundred times before.