Where Did "Ma Rabu" Disappear To? - Lotsa Typoos

Why don't we say "מה רבו מעשיך השם" on Shabbos? We ADD a lot to the bracha of Yotzer Ohr on Shabbos which makes since [sic - I meant "sense". Typo number 13.2 million. Ma Rabu my typos!] since a holier day mandates more praise but strangely omit those words. Why praise Hashem LESS on Shabbos?