Like OP I tend to put a single point in many skill trees. And as mentioned that doesn't mean getting every skill but getting one or 2 skills in several trees.
Everybody get Water (frost armor, restoration, group healing), Air (teleport, swap, stunt), Huntsman (first aid), Pyrotechnic (earth armor, clear mind, haste), Polymorph (invisibility), Rogue (teleport)
Except 'tac. retreat' instead of 'clk/dggr' and maybe add 'adrenaline'. Also 'wings' is great and 'shedskin' (removes cool downs) is fantastic. Also 'earth armor/fortify' is not under pyro, but geo.
BTW I give everyone warfare for rage and so they can get the best talent WARLORD. I also like 'glass cannon' on ranged folks and possibly 'hothead' or 'mnemonic' for melee guys. Basically have one point is all skill trees except witch which sucks ATM and only one summoner.
I like how DOS2 only requires one point per skill level. And they probably will/should require higher levels in skill points to access same level of skill, for instance level 2 fireball requires level 2 pyro. But hopefully keep the anti-CC/debuff skills at level 1 so multiple players can help each other.
