I doubt there is any sort of incentive or bonus for me to recruit someone to the reserves if I'm NG, am I correct? Might I just as well be recruiting them to the coast guard?
Correct and correct. I try to make the folks I talk to aware of both, since I'd like them to make the right decision, but at the end of the day, you root for the home team.
There's a significant enough difference between the Guard and Reserves that the current difference in the loan repayment program shouldn't be that big of a deal.
Say someone is interested in joining the military just for the cash (caveat: bad idea) and knows they want to get out after six years of drilling. They decide to join right after residency.
Reserves: They get six years of HPLRP for a total of $240K paid toward loans.
Guard: They get three years of HPLRP for a total of $120K paid towards loans plus three years of Special Pay (which folks are ineligible for if they're taking HPLRP) for a total of $75K. Combined total of $195K.
So the total difference in this scenario is $45K. That's for six years of service in a deployable capacity. The Guard has a domestic mission for homeland disasters and crisis that the Reserves lack. It also has a state rank structure that makes it easier to know and work with your chain of command and colleagues. Is that worth $8K/year towards your loans? Your call.
And again, this delta in loan repayment is probably only valid for a few months, so it's probably only relevant to those graduating residency this month. If the Guard and Reserves maintain a significant difference in HPLRP, it'll be a first that I've heard of.