Seems like their might be an opportunity to start a private equity that buys extracted software businesses for pennies on the dollar and then revive those businesses with actually valuable (to the customer) practices

Or maybe by then nobody trusts the name of the original company and it's just useless

Sharp fast-movers poached the extracted software business' last remaining reliable clients and clueful devs while you typed that post. It is now worth its weight in Herman Millers.