You won’t lose the tax credits they only get time shifted.
It also affects wildly unprofitable companies that have burned lots of cash and never made any money.
And you do “lose” the tax credits upon acquisition - they’re not only time-shifted, they are company-shifted.
Yes, from a value perspective you do not lose the tax credits. But from a "cash" perspective, how do I pay my tax bill in years 1, 2, 3, 4?