Absolutely wrong. Tanks are high-mobility armored artillery platforms, originally designed for breaching fortifications and for supporting the infantry with direct fire (suppressing machine gun emplacements etc.). Tanks designed to fight other tanks was a rather brief thing that was unique to World war II, and it was mainly for lack of options. Even then, though, special up-gunned, up-armored, turret-less vehicles were preferred for anti-tank duty (so-called tank destroyers like the German Jagdpanzer and the Russian ISU 152).
The main problem with tanks in the Fallout universe would be logistics; a tank requires fuel, ammo, oil, spare parts (standardized) and frequent repairs (tanks live dangerously and drive off-road). They need all sorts of support, and that support has to be motorized to keep up with the tanks- recovery vehicles, supply trucks, command vehicles, etc. To operate a single tank battallion ( 50-60 tanks) the NCR would have to dedicate 700 to 1000 people to it, and that's without the supply and the manufacturing taken into account. There's no way the NCR could afford it, certainly not on a long-term basis.
Very good post! Tanks are real war beasts.
I think many people especially on game forums, have wrong impression about tanks. Because they are not accurately shown in the popular online shooters. Where 1-2 dudes with RPGs blow them to pieces. No tank is going to be sent alone and even on it's own, good tank crew can turn the battle in to victory. They might have problems in some ruins where they can be ambushed and hit, but thats why the tank is either in a convoy with other machines or/and accompanied with infantry squads whos job is to protect the perimeter around the tank from enemies.
I remember watching some interviews with veterans from WW2 and they said that everytime they saw tanks against them, it was like hell. Considering, it was not like game to have 23246 rockets and just shoot the crap out of that tank.
But yeah you have to have very strong supply line and economic in general to be able to maintain such machines.
No need for tanks in Fallout, because there is no such strong enemy to use them against. Those bunch of roman soldiers wannabees called Caesar legion, can be killed in 5 minutes with not so strong artillery strike on their camp.
While the other thing, that there is no need for tanks, cause there is Power Armor... well I really want to see any Enclave/BoS member take a hit from any anti tank weapon and continue to fight. Lets say his fictional armor is going to stay strong, but I can imagine the picture inside
like a food in a can.. messy.