SAN FRANCISCO – At the risk of being accused of suggesting public euthanasia, here goes.As it trends, the Warriors and their skeletal roster will plunge into the offseason in a few days, perhaps as soon as Wednesday. Barring the miraculous, surely sometime in April.Would a brief postseason be such a horrible conclusion?Would that not be a merciful way to close a profoundly unsatisfying season punctuated by a merciless second half?Yes, I know athletes train to do their best, give their all, and never abandon the goal. Winning is good for any soul, and for some, nothing matters more.This is not about surrender. This is about an aggressive futility that sank its teeth into the Warriors and shows no sign of letting go.With Jimmy Butler III sidelined for the season and Stephen Curry out for nine weeks, the Warriors steadily spoke of building good habits and playing as a team, being “on a string” defensively on one end while making defenses work on the other. They knew they were hampered, yet they had difficulty giving themselves a chance.The most recent example came Thursday night at Chase Center, where Golden State ended its home schedule with a 119-103 loss to the...