Sherman problems is its survivability, not its DPS vs various targets. Knowing all infantry vs you can snare you make it irrelevant in almost all situations and I have been a fervent user of Sherman "spam" strat in 2vs2 till rank 50/30.
There is nothing insentive to build a Sherman over a Jackson. Over-performance of Jackson is also due to you have to build it yes or yes, even more if you went Lieutenant first. Actually I'm using a lot Armor company so I can diversify my late game build. A M10 is enough vs medium and let me get faster Scott, then I can build a Jackson if needed.
This is something I have say since long but Jackson can never be balanced since it has to fill two distinct roles and with other AT source in support. In comparaison UKF can always field Atgun or a AEC to support its Firefly, or simply to build mines to protect its flank.
Sherman is more durable than most mediums because of its ability to self heal (I guess not durability but resilience maybe?) but all in all I don't disagree that every squad and it's dog having a snare is a bad design. They should be special not doled out to already versatile infantry.
Tbh when I saw the health buff I suggested swapping the m10 and Jackson instead of making the Jackson omnipotent harbinger of all things armoured as true m10 is now a mini Jackson but as y I are saying the cheaper m10 offers more options in vehicle choice (and HVAP helps when the cats ret big) and the old Jackson feels more like a doctrinal unit being somewhat niche. Strong in the right hands but shouldn't br forced... But alas we instead got a doctrinal m10 and a non doc super m10.