Because it's a FREE font maybe?
Good question.

dd, I can't understand your question.

I think the question come by unconsciously moving around a invisible couple of " in the Title :
if you read as -"Free speech" bubble fonts- you may even expect the font or the font publisher somehow supporting the right of free speech , and that obviously raises the big question "How "

But if you read as- Free "speech bubble fonts" - as i suppose should be read, then question vanish.

Returning to the issue of Carlos Diniz.

I also tried - I downloaded svg - but it can not be opened in GIMP, Inscape and even FontForge!
Does anyone know what the problem is ?
I'm still convinced That this can be done in GIMP automatically (ttf-> svg) using the scipt (or plugin) - as can be "manually" - it's just a matter of goodwill experts writing programs!

I wonder if this http://registry.gimp.org/node/100 that extend a bit the capacity of export SVG may help.

And if the case to try with inkscape: i almost lost with inkscape yet may be a very simple process and for sure inkscape handle better SVG
Yesterday i stumble on amazing series of dingbats, perfect silhouettes but i don't handle well dingbat i don't even know how to find the correspondence with the letters, i think i would like more as brushes but i collected hundreds ,i can't do manually
BTW Here a lot of cool dingbat (and fonts) http://www.iconian.com/ ...i was hooked to see all fonts and download most of them
EDIT
as far converting dingbat to gih , all solved thanks to Graechan "Font to Image Hose " script

Not yet solved export as svg

In this topic - my last opinion:
Converting fonts (*. ttf to *. svg - of course, only if they are GPL) -
is the way to many new capabilities.
Only small problem - no one wants to write a script ...and be famous forever...
And your opinion ?

OK, PhotoComix. I'll try again.