Lazy/incompetent coworker got fired but I get penalized?

I have a lead position in a small hospital, not a supervisor with any power more of a trainer capacity.

Beginning of the year we had 2 new processors who became besties and would disappear in the break room for HOURS on lunch while there’s this to do (samples keep coming). At first I’d ask them if they were on break and if not could they get back to work. I did notice they’d go ask the boss about her kids and be more extroverted and cozy up to her. But after going through this for months I finally started complaining to mangement both in person and I have a paper trail of emails .

I was told by my useless management “oh maybe they have something going on”, …”everyone works at different pace” …”be more of a team player” friendly sand dismissive shit like that. And this is patient samples we’re dealing with so pretty important but bosses sit in their office all day

Somehow one of the newbies turned the tables and complained to my supervisor I made her upset by complaining… and she said she’d tell HR on me….so I backed off

Eventually about 2 more months passed and my other coworkers started complaining to management about how nothing is getting done and work is rolling over to other shifts and people are not getting out on time.

The girls were finally spoke to, and one started doubling down out of retaliation and started disappearing even more…eventually she was told not to come back . Yay!

The other one is now a little bit better now that her friend is gone, still lazy but not as much as before

My biggest issue is I was snubbed on a recent performance review raise! . For my teamwork and leadership…

I was told I should have been telling them to get to work more (even though I’m the lead not the supervisor) instead of running to management…I tried to explain I did tell them but boss didn’t want to hear it. I had email proof too but was dismissed

And also these girls were not green, they’d been here for months and we have so many SOPs and task lists you can check to see what needs to be done…also just use your eyes. Like they would literally be watching movies in the break room or chatting for hours while there was work and that’s my fault? I was so shocked, I feel like it’s common sense when you have a job you actually should do the job-I have to hold hands?

So disappointing that I who have been here 7 years lost my full raise due to people 6 months in who management liked better cuase I was the first to speak up