Things haven't become heated between the generations here - but in the US the intergenerational warfare can be intense as these threads from a website show:

Round 1 

Us baby boomers have bought plenty to the table 60s, 70s 80s, 90s... so when you 20-somethings bitch about us, and consider us irrelevant, you need to keep in mind what we have contributed to this society:

Playstation, Nintendo 64, Gameboy, Cell phones, computers, DVD's/CD's, Ipods, Cordless phones, VHS/VCR recorders, Walkmans, Apple Mac, Nike sneakers, floppy disk, Pentium processors, micro processors, ethernet, Xerox, Laser printers, Ink jet printers, Computer Mouse, Roller blades, Hubble Space Telescope, GPS, Com Satellites, Satellite TV, Digital Cameras, THE WEB, Post it notes, Rubik's Cube, Lasers, The Space Shuttle, Music Videos, Cable Television, Full integration of 'in colour' television broadcasting, automobile air bags, Bar Codes, Email, LCD's, MRI's, The Pacemaker, Fibre optics, Kevlar, Hypertext, Portable Calculators...

And some of the musicians;
The Beatles, The Police, Bob Dylan, The Rolling Stones, The Grateful Dead, Jefferson Airplane, Janis Joplin, Jimi Hendrix Experience, The Doors, The Supremes, The Beach Boys, Pink Floyd, Dire Straits, Duran Duran, Van Halen…

Now, just what has the 20-something generation given us? Except grief?

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Round 2

You gave us
dirty air
dirty water
dirty politics
dirty investment schemes
and took away any hope of affordable education. 

You cut our art classes so you could keep property tax low,
and now music sucks.

You put up fences around your yards,
and now we don't know how to act towards one another.

You had your day in the sun,
and now you want us to be your nursemaids.

Thanks a lot!

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Round 3 

The dirty air and water preceded us.

We gave you Earth Day, and idea that was initially laughed at, and is now a tradition. We gave you Al Gore, who is trying to do something about the mess OUR elders left us.

We gave you Al Franken, who can tell the truth with humour.

The dirty politics did not start with Nixon, and he was definitely not a boomer. Many of the problems we face today started with his administration.

Jesse Helms was not a boomer, either. He got on his high horse about arts education, not us.

If your music sucks, do something about it. If you don't like fences, tear them down.

And if I need a nursemaid at any point in the future, I will pay for it with the money I earned and saved.

Grow up!

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Round 4 

Whence comes this animus against The Kids?

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Round 5

This intergenerational warfare is really stupid. Cool it - both sides!

My kids are 26 and 24, and I don't hear them tossing out hand grenades like the threads I've seen today. My youngest one is too busy getting a master's degree in art therapy to help foster children and wounded veterans, and the older one is working 60 hours a week in a demanding job. She doesn't complain about paying FICA. She knows it helps her grandmother make it through the month.

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And so on….

This isn't a 15 round bout - it  goes on and on if not on this website then in others and in books and magazines. It may yet happen here when and if people from both generations forget to respect the contributions and virtues of the other.