Their 'innovations' often consists of disregarding established (established for a reason, best practises) methods because of Elmos' superiority and NIH complex. He is not an engineer, but an autocrat.
I could start with omitting s flame trench thing in Boca Chica b/c "it would take too lomg", the (illegal) changes to their Fremont paint shop and the resulting fires, not keeping spare parts available b/c of frequent iterations applied during production, skipping brake tests, shit design decisions leading to many broken ball joints on their control arms ("whompy wheels"), the "lets use touchscreens not certified for automotive usage" (resulting in yellowing and seeping glue issues)...
The customers and employees suffer.