The only companies this affected are those right at the margins of becoming profitable. It doesn't affect new startups and it doesn't affect established businesses. And if you are at the margins of becoming profitable you have likely accumulated more than enough tax credits for all your losses.
The changes to Section 174 is not the explanation of why software engineering jobs were lost in 2022. They were lost because every company overhired from 2020-2022 and they have to absorb it given the drop in activity once the Pandemic was over.