Gammadoodler
Hero
Which other races have this specifically. It's not that convincing when you only mention 1. Also what are we using as our source? The 5e PHB, all PHBs, some combo of other sources?The other races are written with easy to pluck adventurers embedded deep into their cultures.
Dwarven have warriors, warrior-smiths, warrior-priests, warrior-enigineers, and the like front and center int their society. And greed, honor, and revenge are highly mentioned for easy motivation. So it is easy to explaina mess of highly trained dwarves roaming around killing monsters and exploring traps for money, power, and xp. Same with elves, half elves, orcs,half orcs, dragonborn, tieflings, and even gnomes.
Halflings is one of the few races that goes on at length explaining why they don't adventure. Sure it makes halfling adventurers charming and more heroic. But reasons to not adventure are literally the opposite of reasons to adventure.
Socombine that with #2 before and it feels like designers always attempt to recreate hobbits. However 80% the way through the writing realize that the race they've described doesn't fit the game. So they attempt to walk it back but don'tremove the previous statements.
And what are the acceptable pre-adventurer professions to make an adventurer? Because here's the thing about your dwarven examples, if you have all those things, it's actually less likely for them to be adventurers because they'd already have adventurer-equivalent jobs. If you have a set of trained warriors and warrior priests, what need do you have for a bunch of mercenary warriors and warrior priests?
Ultimately, to me, the most defining trait of adventurers is that they exist outside of their established cultures. In some ways having more room on the margins also means there is more need for those marginal characters.