Ongoing willfull gluttony yet still go to Heaven ?

Gluttony is a sin.
Gluttony is a willful sin.
These Pastors know it yet they continue to willfully sin.
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Should they be allowed to enter Heaven.
Should any saved believer who continues to willfully sin be allowed to enter Heaven ?
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https://www.crosswalk.com/church/pastors-or-leadership/is-the-sin-of-gluttony-really-that-serious.html