In "all for the boss" ruchama shain tells how her father one Shabbat saw the new talmud Torah teacher get an Aliyah and not look in Torah during kriah, he followed him out after to see him buy cigarettes and smoke on Shabbat
I don't hang up a mezuza because I follow the law blindly. I hang up a mezuza because God says so and I want to do God's commandment and be close to him..yes there are times where just kosher is good enough for me.
But how can you buy a mezuza etc which is supposed to be written by a yirei shamayim and the guy talks where shulchan aruch forbids.
Would you eat at a restaurant if the mashgiach goes to strip clubs (I know a few of these as does @ExGingi I bet )
There was a Mashpia in Tomchei Temimim of old, his work in Yeshiva was his side job. Footing the day the was involved in business. During one particular Farbrengen he was directions his words to one particular student encouraging him to improve in a certain area.
After a short while, the Bochur couldn't handle it anymore and he called out "who are you to tell me where and what to improve! I myself saw you shaking hands with a woman!"
The Mashpia turns to him and tells him, "Listen here, in life, you'll meet a lot of people, each have מעלות and חסרונות, you can choose how to see things, either you can see all the good that people have which you can learn from and you'll end up in a good place, or you can see all the negative that people have which you can learn from and you'll end up in..."