Are heavy-duty "escape-proof" crates actually escape-proof?

For most dogs, yes — reinforced steel crates in the $130–$220 range stop the average chewer or pawer. But specialist subreddit threads (r/Dogtraining, r/dogs) consistently warn that truly destructive, high-anxiety dogs can bend bars or break welds on Amazon-tier heavy-duty crates, and recommend purpose-built brands like Impact, Gunner, or K9 Kennel Boss for those edge cases. Crate durability also doesn't solve the underlying anxiety, which reviewers emphasize requires training.