Go environmentally friendly and buy a saw you resharpen. It’s really very very easy to sharpen up a saw yourself, and the difference between a hard point and a properly sharpened and set saw is night and day!
I'm not going to suggest a sharpenable saw because for me they're not a like-for-like swap. Plenty of things I'd be happy to saw with a hardpoint that I wouldn't want a vintage saw I cared anything for to go near!
You can in theory at least fill with epoxy. I've filled holes in saw plate a few times and it has always worked, but, this was at the handle end and not the business end which could make all the difference. I can easily see the flex making an epoxy plug crack or pop free.
Depending on the exact location of the holes I think reshaping the tip to remove it entirely may be the way to go. Quick enough job on a grinder. Or you can hacksaw off a triangle of steel in just a couple of minutes, the steel sandwiched between two bits of MDF or softwood to dampen vibration and prevent warping.