Consider this part of Luke's rendering :"but those who have been counted worthy of gaining that system of things and the resurrection from the dead".
How could one be counted worthy of gaining a resurrection if everybody is going to be raised to everlasting life?
Jesus emphasized on many occasions that the ones who have faith in him will be raised by him on the last day. (John 6 eg.)
So the often proclaimed general resurrection to life might not be as general as it seems. Look, if those killed at Harmageddon or during the flood have no hope and it is said in general that the path leading to life is narrow and just a few find it, it becomes clear that only those who are part of the first resurrection are to be called blessed (Rev 20).
The second resurrection will be a judgemental one as is clearly shown in Rev20. If you countercheck who will have access to the trees of life (Rev 22:14) it becomes obvious that only those who have washed their robes in the blood of the lamb have access to the trees of life.
As per Gen 3: "and now, lest he put forth his hand, and take also of the tree of life, and eat, and live for ever:" eating from this fruit means eternal life.
Even if there might be a second chance resurrection here on earth (which I strongly doubt as per Heb 9:27 and parallel texts), this would in no way be a resurrection unto life but just a second chance to accept the son and doughtership of God out of the lost descendance of Adam and Eve.
Also consider the text in Eph 2 "
12 That at that time ye were without Christ, being aliens from the commonwealth of Israel, and strangers from the covenants of promise, having no hope, and without God in the world:
13 But now in Christ Jesus ye who sometimes were far off are made nigh by the blood of Christ."
How could one be without hope, when there is a general resurrection?
The path to life is narrow!
God bless