I have a similar issue with poloniex for 10 XMR but I don't think they even have an account here.
Apparently they do. This is Poloniex's owner:
busoniHe already has 2 *old trust* tags from Lauda and Zepher from 2017. Maybe someone should "update it" with a flag.
The negative trust by these two seems pretty shady to me. I don't think there was any credible evidence of polo scamming in 2017.