Complex sentence: Such cohorts may not have access to year-round homeless shelters due to supply and demand imbalance, or may may simply be uninterested in nightly access during mild weather, but some observers note that others may be unable to comply with conditions for use.
Split into simpler sentences: Such cohorts may not have access to year-round homeless shelters due to supply and demand imbalance. Such persons may simply be uninterested in nightly access during mild weather, but some observers note that others may be unable to comply with conditions for use.