IMO nomad games are even earlier broken by too near set CCs. The barracks are just one hack.
Too often 2 ccs foundations are set too near without intention. The barrack hack is then often executed with the help of team mates that sponsor the early barrack.
A minimum radius between cc foundations would be a cleaner solution. Even without barrack hack too close CCs ruin games early on.
Another interesting thing is this capture doesn't respect the ceasefire but captures even during it.
Noteworthy other mention: CC denial through units on the foundation. If one is lucky, one can put their cavalry on the enemy foundation during ceasefire and the enemy can't start their foundation because the cavalry won't move.
I installed Alpha 28 on my computer and it launched, but then no action was recognized; even just clicking on "OK" in the intro menu had no result.
I tried both through the Snap and through the Backports of Debian Trixie, both had same results.