I will say it again, but this time I will preface it a little:
High tech self defense rounds are a great tool. We all love them and most of us not only use them, but we have our favorites that we will not leave home without. However, there comes a time when quantity rules. Good reliable ammunition (cycles and fires every time in your gun) is what matters. Since the invention of firearms plain old lead balls have been killing millions in all types of conflicts. In this time of ammunition shortages, don't get wrapped up in gimmicks - no matter how good and legit they may be. After all, a .357 hole is a .357 hole.
Get what you can. 2,000 of good wadcutter in the gunroom is better than 150 rounds of Critical Defense on back order! And remember, there are people carrying .22lr, .32acp, .380acp, and 9mm Luger for self defense. Regardless of their technology, your .38spl with wadcutter will out gun them any day as long as yours fires reliably.