The lineage of the current Lotus F1 team is not really related to Lotus Cars but I agree that it would help put the name out there. Of course, they are trying. They lost some of their best engineering talent for last year and the year before, they were so broke they couldn't pay Kimi Raikkonen. It's been a hard road for them.
As for marketing their cars - as you say, blaster, you want your product to be plentiful enough to make money but not so plentiful that they are too easy to get. With the small number of cars they make, I would think they have that angle covered.
I don't know the answer. It seems like the new guy has some good ideas but Lotus has been on the verge of bankruptcy almost since it's inception. They were supposed to get a boost in the '70s when Rolls Royce was going to help with parts distribution (as I remember), then their relationship with Toyota and then GM was going to make them a going concern, then Procar... I probably missed a few... They had a pretty steady engineering contract business for a while but I think that has been It seems that been de-emphasized to build cars. It seems that no matter who owns them or what they do, they just barely scrape by as they produce revolutionary cars (and even revolutionary racing bicycles) that are almost always well reviewed, technically interesting, and unique. It may be that they are destined never to get past a cult following.
I just remembered a recent Top Gear episode (the Patagonia Special) where they were going to drive V8 sports cars from Ushuaia to Tierra del Fuego. Jeremy chose a Porsche 928, Richard chose a Mustang, and James chose a Turbo Esprit. Of course, James's choice was ridiculed since everybody knew that Loti are the most unreliable cars made - or at least not nearly as unreliable as a Mustang or a Porsche. They drove over everything, through woods, over boulders, it swamps, you name it - in typical Top Gear fashion. James Esprit was the only one that didn't need any repair! Who would have thought that?
I just hope they get their act together and continue to make groundbreaking sports cars.