All their emails say that...TD is gunshy, a few years ago some of their account info was hacked/stolen and their customers became targeted for some P and D campaigns...I do not know if there was litigation involved but TD is very wary of any promotional issue.
I use Scott and manage to buy easy except for no market orders on OTC and Pinkies.
My post are for entertainment only...if you knew me better I'd be on ignore