Good idea, this wasn't going to be a good year for that show AND maybe they'll have a show in the Spring to announce the PS5
https://www.ign.com/articles/2018/09/28/psx-2018-is-not-happening-playstation-exec-confirms
"We won't have it in the States this year," he continued. "The reasons behind that really are we don't have...we have a lot of progress that we're making on our games...Now that we have Spider-Man out the door, we're looking down into 2019 games like Dreams and Days Gone.
"But we wouldn't have enough to bring people all together in some location North America to have that event. We don't want to set expectations really high and then not deliver on that. It was a hard decision, but we have determined that this year we will not hold PlayStation Experience.
Layden attributed PlayStation's increased use of the PlayStation Blog and social media to convey announcements.
https://www.ign.com/articles/2018/09/28/psx-2018-is-not-happening-playstation-exec-confirms