You're saying that you don't have to be ashamed but are not saying why. You can take US as an example when assimilation is enormous outside the orthodox world (see one of the latest NYTimes article about it). The secular jewish culture is nothing but coherent. Don't call this Judaism. You are just abandoning it. You are completely "free" to do that or embrace a new religion but be honest with yourself by not calling that a Jewish culture.
India floods derail two trains, killing at least 20; hundreds rescued (Reuters)
from the article: Rabbi Ovadia Yosef’s derogation of secular Jewish culture