What Spielberg said can be interpreted in many different ways.
What I took from it:
What he said about leap-frogging between Ford and Hanks movies at the end was clearly just a joke about making one movie with Ford and then another with Hanks forever, it had nothing to do with fans asking for endless Indy sequels.
The way he said the Indy 5 part sounded more matter of fact'y to me.
You'd think he would know better than to bring up Indy 5 if there was nothing at all on the way. He's probably still being asked about it a lot.
All in all it left me with a little more hope for one more Indy with Ford than I had before I watched the video
What I took from it:
What he said about leap-frogging between Ford and Hanks movies at the end was clearly just a joke about making one movie with Ford and then another with Hanks forever, it had nothing to do with fans asking for endless Indy sequels.
The way he said the Indy 5 part sounded more matter of fact'y to me.
You'd think he would know better than to bring up Indy 5 if there was nothing at all on the way. He's probably still being asked about it a lot.
All in all it left me with a little more hope for one more Indy with Ford than I had before I watched the video