And the thing is... market research doesn't have to be hard or terribly expensive. I've long appreciated how Takara(TOMY) and other Japanese companies elicit direct feedback from consumers with their product surveys. Initially it was through the use of self-addressed (postage paid in Japan) survey cards, and now with their
online surveys. And with certain lines that have more of a collector appeal (e.g. reissues, MPs, BTs etc.) they actually allow consumers to either nominate and/or elect which characters they'd like to see as future products, and then actually make those products based on what fans are asking for. It's a relatively inexpensive thing to set up and maintain and IMHO actually trying to listen to consumers and making product decisions based on direct feedback works a lot better than trying to "force" products onto consumers without any consultation with the consumers. It's not rocket science.
e.g. Q.38 from last year's TakaraTOMY online MP Survey...

Prowl and Bluestreak already exist now, and figures like Ultra Magnus, Wheeljack and Star Sabre must've attracted enough votes for TakaraTOMY to greenlight them to be developed as MPs. And obviously enough people must've nominated "Bumblebee" in the "Other" option for that to be made as product too.