So is "I runned to the shop and buyed a bottle of milk".
"Layout" is a noun made from a verb. Just say "how the views can be laid out". You can't make a verb out of a noun made from a verb. It makes my brainies ouchie.
I think they did a good job of writing a neutral comparison. Based on what it said, I think there's no reason for me to stop using VS Code right now, but I'll keep an eye on Theia and reconsider it my needs change.