Back at the beginning of the game, several factors combined to make garrison battles much longer than they are in 2019.
I've been talking to people on TeamSpeak (yes, we use that on my server!) and the old folks there reminisce about those fights as being better than the ones we have now.
I think the factors that have changed since the early days are these;
If you can think of more, please add them below.
Some of these things could be reversed/changed, but we wouldn't want to waste Anet's time [insert your own joke].
So the question is: do we want to bring back epic Garrison battles?
This post contains my opinion.