There are many companies that do care about their employees and let them learn during work time or even teach them themselves! I believe those are some of the best companies around the globe as well (;
Sure a company that is still writing software that is based on their tech stack would be more than willing to make sure that you know that. But what happens when the tech stack they are using becomes outdated?
If you don't have free time to learn to keep up your skills in the IT industry, you won't be employable for long. It's not about fairness.