DVCsloth nailed it. You still get benefits, unrestricted points and although not official, it seems borrowing is working better for direct membership. Plus, while there is nothing preventing
DVC from removing existing benefits that you still qualify for (and resale do as well), there is a better chance of them being removed from resale contracts than existing direct.
Also, you had your chance to be unhappy with these when you decided to buy. Your guide almost certainly explained the point minimum for membership extras, if this bothered you, you should have gone resale and lost almost nothing (except trade into RIV and likely trade into the reissue of Boardwalk/Beach Club in the nearer future).
Membership extras is an incentive Disney uses to ensure a mix of higher contract buy ins and I suspect to even out the usage of rooms across all resorts. If they build these monster hotels and everything buys 75 points to just stay in studios, then studios will be almost impossible and their 1/2 BRs will be less booked, which means fewer people spending money at Disney because they have rooms they can't use. By making the minimum 150 or 175 or 200, as things will likely go, then someone that is locked out of a Studio may at least have the chance to go 1BR, which is what we did on our Feb stay. It was super short notice and Studios were mostly booked, but I got us 1 BR for our last night.
I guess closing this out, others have also mentioned that if anyone with 25 points or 2500 are given membership extras because it is "unfair" for someone to be in DVC but not have membership extras, then Disney would have to give in to the demands on people with 1000+ points that they should be in the Membership Extras+ tier, and then everyone under 1000 would be upset they aren't seeing these "true" perks. Disney is very up front, in all my DVC experience, with the membership extras and the minimums required. If they kept it a secret just to nab 75 points from someone, and we saw that frequently, because otherwise that person would just walk away, I would be on board that this method of selling is borderline unethical. But if they are consistently up front on the requirement, much like the (extremely good) Costco example, I don't see the problem. I have almost $400 in Costco rebates funny enough that I am leaving in a few minutes to go use at Costco, probably renew our Executive Membership and get groceries. This is thanks to going the extra step of having the Exec membership and the Costco Visa. It would be wild for someone with the "Gold Star" membership and no Visa to get mad at Costco because I get these benefits but they don't. It's not a secret club.