Vocal Pops: Dangerous or A Good Way To Build Vocal Strength?

This two and a half minute video video shows how to use stop plosive consonants to build cord compression for vocal strength:

https://www.youtube.com/watch?v=SAiQPCuN_Lw

It looks like a good exercise, but I'm not sure, because I had heard that using glottal attacks, hard glottal onsets, vocal pops, etc, makes the cords slam against each other and is destructive because of that.

So, my question is, is using these stop plosives an effective way of building better cord compression like in the type of exercise that the video shows, or does it create a "vocal pop" or "glottal attack" that makes the vocal cords slam together and hurt them?

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