Paul called the False Teachers "hypocritical liars whose consciences have been seared." In other words, they convinced themselves that they are above any outside standard. So it’s no surprise that they themselves do NOT follow the rules they make for their followers.
We run into the same kinds of hypocricy today. I heard a lot of complaining in the Media this week about Sheryl Crow. Evidently at her Concerts she’s been encouraging everybody to save the environment by using only one square of toilet paper. But at the same time, she and her entourage were demanding a Lavish set up for themselves --- including Luxury accommodations and high-dollar alcohol. An article I read said, “Additionally, when the global warming warrior hits the road, her touring entourage travels in 3 tractor trailers, 4 buses, and 6 cars. Now that’s a carbon footprint!” (thesmokinggun.com)