Just like the Quran. I'd put them in a similar category to each other.The Talmud has some worth and some context and even some truth but it needs to be reserved for the very mature scholar, one who is rock solid in his faith.
Maybe they haven't for a long time. Maybe they never will. However, I think it would be unwise to ignore the frequent, repeated warnings in the New Testament that the followers of Jesus would be beaten / scourged "in the synagogues" (e.g. Matthew 10:17, 23:34, Mark 13:9, Luke 21:12). We have very clear and repeated prophecy in the New Testament that the church will be persecuted by the Jews.When was the last time a Jew beheaded any one?
Now, it is quite possible those prophecies only applied for the few decades between Christ's death and the destruction of Jerusalem, were entirely fulfilled then and are now irrelevant so can be ignored. But it is also entirely possible that many other prophecies the church as a whole tends to preach from as relating to the upcoming end times were also actually fulfilled during that period and are not relevant either (e.g. Mark 13:14-20). If we are to say Mark 13:9 is irrelevant, then we better also say 14-20 is irrelevant - and if we are not willing to do that and believe it will have a second fulfilment, we must remain open to the possibility that v9 will also have a second fulfilment.
Enforcement of the Noachide laws is a potential way that key prophetic warnings we have been given may be fulfilled. Of course, they may not be fulfilled in this way. But it is wise to be cautious and be prepared for, and even work against if the opportunity arises, any possibility of this occurring.