You are overly concerned with specifics dude. I don’t blame you when websites like this pump out so many articles on matters that should concern industry professionals, but not your average gym goer. It causes information overload and a big reason why I stopped reading all the crap and only ready certain ones from certain authors.
Buy yourself some books from Rippetoe, Tate, Wendler, Verkhoshansky, Dan John, etc.
When you are in the iron game for long enough, you will develop certain injuries. It is inevitable for anyone. You can manage this with supplementation (fish oils, glucosamine, etc.), diet (not over using dehydrating substances like alcohol, caffeine, etc.), prehab work (flexibility exercises before/after training, icing joints post workout, warming up). Imbalances will always be present. Manage those accordingly with unilateral work or doing bilateral work and ensuring you don’t go to a point where that imbalance causes a break down in form which will allow you to auto correct the imbalances provided you are indeed using correct form.
You simply aren’t going to strain your groin sprinting out of nowhere. Usually it is a case of overuse or not adequately creating elasticity in that region. I.e. don’t go from 0 to 60 in one or two steps. Work your way into it with gradual increases in intensity.
FWIW I’ve had next to zero training related injuries in 7 years of weight training. The only ones I had were purely out of my own stupidity - not warming up, forcing strength at the expense of form, etc that yielding strained muscles, tendonitis, bursitis - in fact I suffered far more injuries playing basketball when I was 7 to 17 (damaged ligaments, torn quads muscles, bruised and fractured fingers, sprained ankles, etc) at a time of my life when I was supposed to be at my most mobile.
I’m not going to bullshit you here, but if you can’t accept that injuries WILL occur (however serious) along the road, then maybe its time to find a different hobby. It’s much like the people that want to invest their money and get great returns, yet don’t want to take on much risk.