The profile itself says Last active sept 2 2022.
All of the listings are older, I recall seeing them from before her passing.
I would imagine that going through all of those items would be difficult. If I were in his shoes I would think sending them to a trusted consignment would be the easiest way.
her SO may not be aware of her Posh closet. she apparently didn't expect to die. "she" could be getting offers with no response