I actually battle vscode every freakin day over autocomplete. It's really bad if you're writing php and happen to have a // phpcs somewhere, it'll convert <?php to <?phpcs which makes no damn sense.
"editor.acceptSuggestionOnEnter": "off",
"editor.quickSuggestions": {
"comments": false,
"other": false,
"strings": false
},
"editor.wordBasedSuggestions": false,
"extensions.ignoreRecommendations": true,