I believe there will be many who agree with that assessment, however I do not.
A woman accepts the proposal of marriage, takes her husbands name and becomes part of him as his Mrs.
Likewise, a Christian believer, is lead by God to read or hear The Gospel of Jesus Christ, responds to it, repents, is baptized in the Name of Jesus for the remission of his sins and receives the gift of The Holy Ghost, which makes him a member of the body of Jesus Christ, which is The Church.
The pattern is the same, albeit the material is different.
Muslims who have tried it, like it and never go back.