Love the announcement. But a followup question: if WP Engine has excellent built-in caching and optional CDN, why meter so strictly by visits? It reminds me of

Love the announcement. But a followup question: if WP Engine has excellent built-in caching and optional CDN, why meter so strictly by visits? It reminds me of A/B services that scale similarly: by the time you get up to 100k or 250k visits per month, you also get 50 domains and 1000 simultaneous tests and all sorts of unnecessary stuff.