But that only applies in matched play. If they're using open play or Narrative play, those rules don't matter.
Well guys you don't have any problem if Beta rule will become a true rule. Nothing will charge you and you can position your army, so nothing will reach your tanks
Untrue. Even with beta rules there are many ways to pull off a turn one charge. Screens are as important as ever and an integral part of many lists. You will need to figure out screen tactics if you want to beat strong melee armies and compete in a competative meta.
Sacrifice the pawn to save your queen. Warhammer makes it way more complex but the basic premise remains.