I went to a Waldorf/Steiner school, which shares some of these traits such as the lack of a focus on assessment and grading and the emphasis on creativity. We weren't taught the alphabet until the age of about 6-7 and basic arithmetic at 7-8. We did begin learning foreign languages at age 6, however. In practice my older brother taught me to read and count well before the Steiner curriculum did, but I still think tha…
>We weren't taught the alphabet until the age of about 6-7 My daughter is 1.5 years old and knows almost all of the alphabet. Is this a good thing or bad thing?
It is a clue that she probably is good at "symbolic thinking". More of this stuff to come in the near future. Just make sure she has plenty of chances to develop this (probably innate) ability.
On the other hand, as she grows up, you probably should keep an eye on her and help to mitigate any shortcomings that'd eventually show up. But this is the same with all children anyway.