it's a hit driven industry, so maybe the dynamics are pretty startup-ish: you don't know if the product is going to take off, so cut corners to reduce costs in the short run at the expense of future maintainability, since you don't know if the product will be profitable and have a future until after it ships.
if the product is wildly successful and has a future, but is a bit of maintenance nightmare: congratulations, that's the problem you want to have
if the product is wildly successful and has a future, but is a bit of maintenance nightmare: congratulations, that's the problem you want to have