Who is the royal “we” assumed whenever “should” is attached?

nitter.moomoo.me/OpentoDebateOrg/status/1647676231121506304#m (https://nitter.moomoo.me/OpentoDebateOrg/status/1647676231121506304#m)

https://nitter.moomoo.me/evoskuil/status/1647706698558341121#m