How is that? As long as there are a few tickets in the pool people won't stop suicide charging, as they simply suppose/hope that no one else will die and use up the tickets before they do. And when the tickets reach 0 people will actually try to survive, but it's a bit too late then, I guess, as both teams will be scattered over the map and no strategy will be used at all.
Well it will be like Siege. Some people dont care about the objectives of the gamemode but are still playing on the server. Cant count on everyone playing to "win".
One difference though. In siege you have no "visual clue" about whats happening. Just the fact of having top right/left corner with Blue Team / Red Team number of tickets left, seeing them decreases with time, and knowing that victory goes to the one which has the most naturally directs the people into asking themselves "how can I make it slower for my team and faster for the enemies's?".
This + maybe having the "flags" viewable from a distance like when you select a batallion, I'm sure it would direct almost everyone near them.
Then, Conquest is like all modes, you see enemies, you kill enemies, its a battleground first. But really, Napoleonic Wars Conquest mode is where its at, just copy/paste and win.