It requires a "deliberate, explicit user action" to run the extension on the page each time even if it asks for that permission. And if you really do want an extension enabled 24/7 (such as vimium), then you can select a check box in the extensions page which allows the extension to run without specifically enabling it each time.
chrome://flags/#extension-active-script-permission
It requires a "deliberate, explicit user action" to run the extension on the page each time even if it asks for that permission. And if you really do want an extension enabled 24/7 (such as vimium), then you can select a check box in the extensions page which allows the extension to run without specifically enabling it each time.