The web is a dynamic place, no doubt - but like many applications, a typical website (like this one!) is read many orders of magnitude more frequently than it is updated. Even something seemingly rife with churn like a comments section is still dominated by reads.
History has taught me this lesson several times over. First, I tried building web content management system that used the .Net CLR embedded in SQL Server to render HTML as pages were loaded.
Update 05/05/2020 – Considerations for dealing with situations where avoiding asymetric routing is a requirement
Life is full of competing priorities, and technology is certainly no exception. For some time we have known that the safest system is one that allows the minimal number of people or other systems access. For computer networks, this leads to a fairly obvious ideal configuration where each interface only allows pre-approved connections both inbound and outbound.