Karam is definitely one of our all time greats in motorsports. unfortunately, its sad that he has not been able to find support locally..etc. and personally, i think its already too late for him to get back into the international limelight.
As Faisal mentioned already, sponsors demand a lot more than just results for a reason to spend money. They are also looking for marketable people. In this day and age, they are usually out to look for younger drivers, of which, there are plenty of them out there.
to me, whats more urgent today is not "how to save karam", but how to save malaysian motorsports in general. i'm not talking about F1, or MotoGP or JapanGt..etc. those are not malaysian motorsports. I'm talking about Super series, MRC, .. including grassroots events like dragbattle, GRA and R3time attack...etc.
Its tough enough that drivers cant get sponsored today, but even tougher for people who organise these events to get sponsors to keep running. Without motorsports growth in Malaysia, it will be harder for us to have our next "karam".