It is wrong to compare these two very different eras. The Apollo program was an ideological race, so there was a mush higher tolerance of risk and financial and human costs. Remember, people died on the US & Soviet space programs as they were figuring things out. There might not have been many launch scrubs but there were plenty of failures.
Today, the tolerance for risk is much lower, the costs higher and the budget much more controlled. There are many politicians who want to greatly reduce NASA's budget in favour of private ventures. A failed launch is ammo for their cause. So whereas Apollo could proceed (with some delays) after people burnt to death in a capsule, if that happened today the whole program would be halted indefinitely and NASA heavily questioned as to why it needed to take such risks. 50 years on from Apollo, NASA has learnt that an abundance of caution is needed.
Today, the tolerance for risk is much lower, the costs higher and the budget much more controlled. There are many politicians who want to greatly reduce NASA's budget in favour of private ventures. A failed launch is ammo for their cause. So whereas Apollo could proceed (with some delays) after people burnt to death in a capsule, if that happened today the whole program would be halted indefinitely and NASA heavily questioned as to why it needed to take such risks. 50 years on from Apollo, NASA has learnt that an abundance of caution is needed.