I noticed some small cracks near my front steps—should I be worried about water getting in? Also, is it normal for mortar to start crumbling after a few years? Looking to prevent bigger issues before it gets expensive.

https://daisydustmaid.com/what-does-soft-brick-mean-the-no-nonsense-guide-for-brick-homeowners/

I noticed some small cracks near my front steps—should I be worried about water getting in? Also, is it normal for mortar to start crumbling after a few years? Looking to prevent bigger issues before it gets expensive