Some extension scripts are only needed to power the interactivity for the user and are not necessary during the initial rendering process.
Moving these scripts to the end of the <body> tag instead of having them in the <head> would thus likely improve LCP.
We should investigate which extensions can safely be moved, and whether it is always a net win for CWV.
See this comment by @westonruter where he already experimented with this approach with promising results: ampproject/amp-wp#6182 (comment)