Where have all the gentlemen gone?!

Every morning & evening I get the train to work & home again. I seem to get saddened every day by the distinct lack of gentlemanliness that I see around me, its awful.
Men practically running & often barging others to get a seat on the train.
Its a frequent sight to see a row of men seated & women holding onto the handrails nearby. These men seemingly oblivious to the women desperate just to sit down or even the fragile elderly and obviously pregnant women! Come on now, have a heart.
Now I know not all men are like this & its so encouraging when you do see the odd few letting a lady take the seat instead, but from what I've seen it's so rare.
Nine times out of ten I will see women giving up their seats for the elderly or a pregnant woman while the men just look on! What on earth is this about?!
Take today for instance, I was seated between two men, one who was seated in the 'priority seat' (see pic above) which is placed above the few priority seats on all trains. From what I could see this man did not appear to qualify for this category. A fairly old lady walked onto the train which was pretty full, standing in clear view of the seated men. I deliberately waited a few moments to see if any of them would get up making sure they had ample time to register her presence & offer her their seat but surprise surprise none of them did so as usual or so it seems another woman, me, offered her my seat.
As I said before its not all men, & there are ailments & injuries that are not always visible to the eye which could be preventing some from getting up and holding onto their seat.

But those few that are considerate to the needs of others around them, women included, always stand out in my mind. I almost want to applaud and hug them, putting the others to shame.

Come on men, man up! Make us women proud!