Actually, if you go by Romans 1, it's not that lesbianism leads to spiritual death, it's that in one particular case idolatry led to lesbianism.
Craiky, the goalpost is moving, OK let go to Roman chapter one Rom 1:24 Therefore God also gave them up to uncleanness through the lusts of their hearts, to dishonor their own bodies between themselves. It is well known that Roman and particularly the Greek thought the homosexuality was OK it is quite explicit the men, leaving the natural use of the woman, burned in their lust toward one another; males with males working out shamefulness, and receiving in themselves the recompense which was fitting for their error this is the fitting punishment: even their women changed the natural use into that which is against nature, they became Lesbians.
BTW - if Romans 1 does condemn homosexuality, it condemns a number of things including gossip (verse 29) and arrogance (verse 30) just as strongly. Have you personally done anything to get marriage without parents' permission (in direct contravention of verse 30 along with several Old Testament passages) made illegal?
This is exactly what Ive telling people, the OT/Torah and it statutes are not for the those of the new covenant, we are under Grace, and for the Jews its suspended till the time when God Himself will write it in their hearts Heb 8:10 "For this is the covenant that I will make with the house of Israel after those days, says the Lord: I will put My Laws into their mind and write them in their hearts, and I will be their God, and they shall be My people.
What are those days? The days after what? Here is an announcement: Joe 2:10 The earth shall tremble before them; the heavens shall shake. The sun and the moon shall grow dark, and the stars shall gather in their light.
Joe 2:11 And Jehovah shall utter His voice before His army; for His camp is very great; for strong is He who does His Word. For the day of Jehovah is great and very terrible; and who can stand it? Here are those that will not stand Psa 1:5 Therefore the ungodly shall not stand in the judgment, nor sinners in the congregation of the righteous
May I also direct you to the Lords teaching on the subject of marriage: Mat 22:30 For in the resurrection they neither marry nor are given in marriage, but are as the angels of God in Heaven.