Yeah, but this is going to happen to anything that becomes popular.
All the pro-shops here in the States carry airsoft...the kiddies come in to buy springers that never seem to leave the backyard...and the "milsim" guys will buy green gas and shitty bb's as a last resort if their favorite retailer is out of stock. It's really not a big deal as most paintball wholesalers have been providing airsoft in their sales catalogs since 1999 or so??
As long as the laws regarding replicas in Canada do not change, I don't understand how Tippmann re-branding Chinese airsoft has much effect? Perhaps some of the clear springers/lpegs will make it through, but this is nothing that we're not already dealing with on the Canadian Tire issues, etc.