What was the story for the manufacturers though? Why would you get into the 3DO business knowing that if it took off, you'd end up competing with other, potent

What was the story for the manufacturers though? Why would you get into the 3DO business knowing that if it took off, you'd end up competing with other, potentially cheaper brands? I guess the expectation was that it would be like CD players and VCRs, the market would be big enough to maintain a bunch of different brands.