Jesus saith unto him, I am the way, the truth, and the life: no man cometh unto the Father, but by me. (John 14:6)
Many today reject exclusivity when it comes to God and the heavenly realm. “If” God exists, and “if” heaven exists, then any “good” person, who “sincerely” believes, regardless of what they believe, should gain entrance into heaven. So, a sincere Muslim, Hindu, Buddhist, Sikh, Tao, Jew, or Christian can go to heaven as long as they are good and sincere in their belief. The only problem with that is that everyone defines “good” differently.
The idea that everyone (except for really “bad” people) goes to heaven is known as “universalism.” This popular belief attracts many because it relieves one of any obligation, responsibility or guilt. Read more ... https://erniecarrasco.com/2016/10/09/jesus-seven-i-am-statements-in-john-6/.