As a dm tou should be even more aginst the old way. Considering it had tons of silly stuff like gnomes being better wizards than humans.
Half orcs remain the meta for physical strikers and dwarfs still get their con dice.
Per d&d beyond many, but not most, devotion paladins build their oath off their God and devotion paladins are probably the most religious of the oaths
>The Oath of Devotion binds a paladin to the loftiest ideals of justice, virtue, and order. Sometimes called cavaliers, white knights, or holy warriors, these paladins meet the ideal of the knight in shining armor, acting with honor in pursuit of justice and the greater good. They hold themselves to the highest standards of conduct, and some, for better or worse, hold the rest of the world to the same standards. Many who swear this oath are devoted to gods of law and good and use their gods’ tenets as the measure of their devotion. They hold angels—the perfect servants of good—as their ideals, and incorporate images of angelic wings into their helmets or coats of arms.
Even then though it pales in comparison to a proper cleric bond as fir paladin a god is a rolmodel, for a cleric a god is everything.
If you want to be a god chosen holy warrior a war cleric is for you
Dude, I know my PHB, Xanathars guide and SCAG. And them just being a "rolemodel" is your very narrow interpretation at best. And no as a DM I should absolutely under no circumstance prefer the "new way", quite the opposite. Racial ability bonuses, are what broadly sets the d&D races apart from one another (its a representation of the race as a whole). They are meant to reflect the broader differences between them. Ie Elves being dextrous, Dwarves being strong and hardy (constitution), etc etc. Its part (a very tiny one granted) of worldbuilding, of immersion. Its represented in every humanoid statblock for crying out loud. So no thank you Ill keep to "old" system thank you very much. Without it, you might as well say all the races are humans with different skins.
"They say he who smelt it dealt it." Sooo technically... this burnt corpse is your fault officer."
