I'm sure that if they bothered to post them on CL, then dumping them would be an unlikely result.
I would imagine the free ones are gone by now. Like I said, I'd jump on one of the gas ranges except my place is all about built-ins. I'd have to do a major remodel to accommodate a free-standing range... or let it sit by its lonely on the enclosed patio, which already sports a vintage Frigidaire Compact 30 drop-in electric range. I have a spare Modern Maid drop-in gas range to replace it, but still haven't run a gas line to that location (it's on my bucket list). When I do that, I might be able to convert the propane BBQ/Rotisserie on the other side of the brick wall to natural gas. Another bucket list topic. Also have an 80's era GE slide in glass top gas range as a backup for the Modern Maid should that one not work. In the meantime, the Frigidaire does just fine for the few times I use it. And it's probably a better choice for the occasionally breezy enclosed patio anyway.
Right now I'm pressure testing the new 8 qt. Tristar Power Pressure Cooker XL on the patio. It's got about six qts of cold water in it, so it will take some time to reach 12 lbs/in2. Maybe an hour. But it's not like this place is lacking in any way shape or form for cooking appliances...