Not true.

I was an instructor on the 72. There has been only checkride 1 failure that I know of.

It's a tough plane to learn, and you're held to high standards. Rote memorization isn't enough. Deep systems knowledge is mandatory, but the training is by far the best of the three 121 initials that I've been through. If you work hard, you'll be more than prepared. But, probably 25% don't make it through ground school. They are usually the older guys who have bounced around from job to job, and just aren't taking things seriously. They resign - no stain on their records.

In the sims, a few wash out from time to time. Again, they resign - no stain on their records.

25% may seem high, but it's a blessing in disguise. The oral and check ride is with a Fed. You will not get signed off for a ride if the instructors aren't 100% sure you will pass. Again, no stains on anybody's records.

I don't know of a single young beginning of their career kids that has ever washed out.