There are no advantages.
There is so much work that it is rare to leave on time.
You often have to work overtime, but you will not be paid overtime.
Working overtime until 7, 8, 9, or 10 p.m. is completely normal.
Those in charge are extremely emotional and like to teach, but do not actually teach.
Long-term employees are extremely cold toward new employees, and some have very poor attitudes.
On holidays, employees need to take turns staying on duty and working overtime in exchange for time off.
When traveling elsewhere for work, working overtime until 7 or 8 p.m. is the same—there is still no overtime pay.
There are too many disadvantages to list them all.