THEY SHOULDN'T! Anymore than they should listen to you or any other random person on an internet message board. Get over yourself already. Sheeesh.
Because you're building on what Obama has already done, but he can't run for a 3rd term. Plus, Hillary won't be as naïve as Obama was in dealing with Goopers. Whether she'll be a "better" President than Obama is unknown because nobody knows what the challenges will be over the next 4 years. She'll be a worthy successor however. For the record, Sanders would be a far, far worse successor because he'd go along with the Republicans in blowing up everything Obama did, but then they'd block his socialist utopia that he'd propose to replace it.
Possibly right about Ike. Nonsensical comparison with the other two. Not every Presidential candidate needs to be JFK. Ike and Truman are great examples of people implementing changes but in a more subtle manner than the President who came before them. Ford and Bush Sr were failures. Hillary's job is to 1) pack SCOTUS, and then 2) expand voting rights by making changes to VRA and banning all of the GOP led suppression laws, 3) direct EPA to continue to tighten emission/pollution standards (currently in limbo with divided court), 4) up gas tax to pay for infrastructure and financial transaction tax to pay for regulation, 5) fully implement Dodd-Frank, 6) sue states with abortion restrictions and put issue before friendly court, which will most likely re-affirm Roe v Wade and sweep away the forced-birther arguments once and for all. 7) Expand ACA and encourage states to do their own public option (part of the law) to continue to reduce uninsured.
None of these are of course Earth shattering, but they're what needs to be done to finish the laws that Obama frankly took too long to get implemented. What we do not need is someone wasting political capital to try and blow everything up again. Slow and steady wins the race, and again replace Clinton with Biden and I'd be telling you the same thing.