[ceejayoz]

> Those orgs choose WordPress today.

The organizations cited chose WordPress years ago.

Choosing to stay on it is, at least sometimes, going to be a matter of large institutional inertia.

Large enterprises are the last to move on things like this.

[snowwrestler]

The White House website is rebuilt by each administration. So in that case, it was quite a recent decision.

[ceejayoz]

> The White House website is rebuilt by each administration.

The Federal government is very large bureaucratic organization with more inertia than most. (And probably long-term contracts in this realm!)