Accepted a job offer now red flags

I have accepted a job offer and I was so excited. However today I have read a scathing review on glassdoor about the extremely toxic work culture, high turnover and employees constantly being forced to leave.

​

\​

​

In the interview the managers seemed really nice so this has come as a surprise.

​

\​

​

I have looked on linked in and most of the employees seem to be very inexperienced compared to me.

​

\​

​

I am now really worried about starting this job.

​

\​

​