It might have also been helpful if the tax credit was spread out over time a bit more - like a cap on the number of productions getting one each fiscal year.
A not so negligible part of why so many shows tanked is that there was a race to claim the credit before it ran out and so you got many shows coming in that were underdeveloped and creating a pile-up that offered too many choices to a slow market. I doubt many of the shows under the credit would still be running today, but there is still the chance they might have gotten more mileage if they all didn’t compete at once.
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