The battles are all ultimately the same(someone has something someone else wants). They use someone to get that something.
The TTPs will change along with the delivery options and numbers of pax on each chalk/lift/pass. They may not mass in one spot like they did for ODS in the 90s, but the will have multiple staging areas for troops to move into the fight. As bad as the 16 year old chinese boy is, he can’t hit them all and definitely can’t hit them all at the same time. Plenty of well tested and reliable anti drone tech out there.
As far as indirect not being the biggest threat, wrong again. Don’t matter how good your counter battery radars and detection get, by the time the system has alerted you to a launch and sent you an estimated POO site, the round is coming and will splash. There is not enough new fangled wizardry to stop a battery of indirect rounds inbound. Take cover and hope one doesn’t impact within its kill/injure zone.
Revisiting anything combat related in a decade is useless because it will all have changed again by that time. Surely you remember the clown show transition into “COIN” ops. Suddenly shooting at Ivan on the range wasn’t the same as it was