Delete a Message
antp
They seem still there:
http://www.imcdb.org/vehicle_1767191-Acura-MDX-YD1-2004.html
https://www.imcdb.org/movie.php?id=9860350#Comment3334107
I suppose it is something on your side, as if they are deleted they are gone forever, otherwise they are there, no reason for the site to randomly show them or not