Blogger is being an image-posting shit with newer versions of Firefox

I have two Mac desktops at home.

The older one is a way old eMac maxed out on OS at 10.11 El Capitan.

The newer one, recently purchased but still used, is a 2013 iMac on 10.15 Santa Catalina. I don't think it will upgrade and Mac's not prompted me. I got it cheap off eBay and it works well enough and will continue to do so for five years.

At work, I have a like-new Mac Mini running Mac 13 Sonoma.

Earlier this month, on both Santa Catalina and Sonoma, hit a problem.

I usually post pictures to go with stories in Blogger by the "URL" version, rather than uploading. (If they're my photos, of course, I go to Google Photos.)

OK, on both? I post the URL and no image preview showed up, and nothing loaded.

At home, I then did a screengrab of the photo I wanted for one piece and uploaded it to the appropriate Google Photos album. Tried that. Google said something about having to allow essential cookies. OK'ed that, even though I don't totally trust Google's snooping. It then said I had to sign into my account. Excuse me, am I not already signed in because I'm on a post in Blogger, editing it? But, OK'ed that. Then, the Google Photos upload popped up in a separate window, which has never happened before. And then? I hit the "insert" button and nothing happened.

And, it's not just Macs, either. I have a brand new Windoze 11 laptop. Blogger's doing the same shit in Firefox with it, too. Won't post photos off URLs and asks me the same bullshit if I try to post off Google Photos.

Update, Aug. 20: As often as I sign into Blogger on Chrome at work, Google continues to send me a security alert. So, its AI, machine learning or whatever is HUGELY fucking stupid, if it hasn't "learned" (these programs don't actually learn, hence the scare quotes) that that's me.