I've been retired for all that time so I can't answer the question for myself, but I've always wondered if many employers have done this. Possibly you haven't thought about this or can't be sure. So here is your chance to think about it. Of course you might be the employer and have done this yourself.
Yes, I suspect or know my employer has taken advantage of the tax cuts.
No, I've received normal pay increases consistent with my work.
As an employer, I've treated the Bush tax cuts as pay increases for employees
As an employer, I've given pay increases when they were warranted.