I don't like it. Losing a player to something like is uncalled for and shouldn't be allowed. No kid should lose his career over what I consider to be a cheap shot when it comes to blocking, but many players still do it.
I think it's a terrible technique to coach, was at the Santa Cruz game and that's exactly what the d-line was doing. Both guards had an ankle rolled on, one sat the rest of the game and the other was not 100%. TE was rolled underneath by someone and a tackle had his knee banged up. It was just a mess. I understand some teams MAY do it if they are undersized at the point of attack but I don't understand when you have a very capable sized line. Like coach your kids to get off the ball use their hands and drive their legs, not just dive at someone's legs.
Went and watched some small ball last Friday and saw the very same thing. Wickenburg has a pretty big O-line and they play smashmouth, Wing T football. NWC had their d-line log on the snap and it was pretty effective, although kind of cheap as well. However, it systematically shut down the Wick offense. The bigger O linemen struggled to get low enough to get under the pads of the D linemen and, hence, never made it to the second level. Linebackers ran free and shut down the edges, and did well enough between the tackles to stymie the Wick offense. Now, those D-linemen were getting pummeled as they placed themselves in a vulnerable position each and every play, but the results were very effective. So I imagine if you ask Inness over at NWC, he couldn't care less what onlookers thought of the gameplan.