[flukus]

There's a lot more leverage than that depending on the particulars of the story. It may have been OP that identified a saving that could be made and their leverage is a future unwillingness to identify such things. Maybe they'll stop questioning things and "code to spec" in future. Maybe they'll ignore those erroneous errors they notice throughout the day and wait for a bug report in production.

Companies that don't give raises can expect all of these behaviors.

[user5994461]

None of this is leverage. You're wasting your own time at best and will have less achievements to talk about in your next job interview.

Same thing if your next advice is to stop working 60 hours a week and overtime. This was a huge mistake and you should never have done this in the first place.

[Waterluvian]

To me that seems just plain immature.

[flukus]

It's immature to clock in, do exactly what you get paid for and clock out? If the company expected you to do more than that then they would compensate appropriately.