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As the title says. I have not seen a fighter rolle dup since late 2014 and we play a lot of D&D- 14 hours worth in the last week and sometimes 3-5 sessions a week with 3-4 DMs. The players who like fighter types are starting to gravitate towards Paladins and Rangers with some of the more adventurous making gish type PCs (Favoured Souls and Warlock/Valor Bard builds). I thought it may have just been my group but other groups seem to be doing it as well. This seems to be for the following reasons.
My first campaign had no fighters. Then they learned. The current game has two. Go figure.
1. The fighter has no damage dealing advantage over the other martial classes and is probably inferior to things like Barbarians. Rangers and Paladins tend to be using hunters quarry and colossus slayer/horde breaker to actually deal more damage than the fighters.
No, the first five levels of Fighter is very strong. Hunter's Quarry is not an option for melee.
Paladins and Barbarians are very cool too, but that does not mean you are making an error choosing fighter.
2. Strength based PCs suck at range being reduced to throwing javelins often at disadvantage. As a further kick in the balls they can only make 1 attack a round since you can only draw 1 weapon a round. Paladins can cast bless on the ranged PCs or moonbeam if they are the Oath of the Ancients. Gish PCs do not care to much at the worst resorting to cantrips or just lobbing a fireball.
True. But it isn't the fighter's fault ranged is flawless in this game. Suggestion, try running with GWM but not SS if you're really bothered by this.
3. Dex based melee tends to be underpowered along with dual wielding which uses the bonus action. That bonus action is often better off used for Polearm Mastery, Great Weapon Fighting, or moving around hunter mark/hex or casting quickened hastes or whatever.
Yes, two weapon melee fighting is a trap option. Doesn't mean the fighter class is.
4. Most classes casting spells.
Sorry but how is this a dig against Fighters?
The game is definitely not stacked towards full spellcasters, so don't worry about it.
5. Other classes tend to be better targets for haste/twinned haste. THis is due to spells like hex/hunters mark and advantage to hit that Barbarians and Avenger Paladins can easily get.
Okay, you got me. That's way too specific for me to have an opinion on, except: do you choose class at level 1 based on what ONE buff spell does or does not do...?
Sure fighters have other class abilities as well but something like action surge tends to pail against Paladins auras to saves which in effect makes Paladins proficient in all saves at level 6.
Yes, Paladins are awesome and very strong. But sometimes you simply don't want the look and feel of a Paladin. Alternatively: okay, so go play a campaign full of Paladins. Perhaps you're ready to play a Fighter next time, no sweat! 
