It's a valid concern, but for most backcountry skiers, pin lateral release works well for the types of falls you typically encounter on tours. The pins disengage sideways when your leg twists past the set threshold, which covers the most common injury scenario—a twisting fall where your ski gets caught.
The trade-off is that pin-tech bindings don't offer the same upward toe release you'd find on alpine bindings. This means if you take a hard forward fall where your toe gets driven upward, the binding may not release as readily at the toe piece. Your heel piece (if it has an upward release) can help compensate, but it's not identical to alpine protection.
For most touring skiers, this is an acceptable compromise because pin bindings save significant weight on the climb—often 300+ grams per binding compared to hybrid options. If you're doing aggressive, in-bounds-style skiing in the backcountry or are concerned about injury history, consider a hybrid binding with full alpine release mechanics instead.