The mids get educated on basic financial principles, debt and credit management, budgeting, investing for retirement. Military folks cannot recommend specific firms, products, services or courses of action when they are in a position of authority over juniors in rank.
The firm you mentioned does a free financial plan for active duty. Their licensed advisors earn compensation through commissions from the mutual fund or other products if the client invests in the recommended product. No fees to them from midshipman pocket. Though the firm hit a bumpy spot in the road over 15 years ago, they recovered, reorganized and operate in a comparable way to other FINRA-compliant financial planning firms doing business with known financial product providers. The CEO is a USNA grad, and 70% of the advisors are veterans. They are known for F2F meetings and offices near almost all military bases.
The two firms that offer the career loans may offer some basic counseling. Similar to the firm you mentioned, they have all been in the business of serving the military for decades.
There are at least a dozen threads on the career loan in all forums. Recommend browsing.
Your DS should do his due diligence, hear what these firms are offering, make no commitments, think it through, seek neutral counsel. You’ll see a wide range of opinions on the loan here on SAF, understandably reflecting a wide range of personal philosophies.
He should also understand every term of the loan and read all fine print, especially what happens to the interest rate if he defaults on the terms and for whatever reason, does not commission.