Right. The market of antivirus programs should develop systematically and keep up with the development of viruses. Otherwise, the programs will be outdated and will not be able to effectively protect the PC.
You can be sure. This will always be the default. This is a market, and any niche will be filled. If there is a need for protection, protection will be.
It is not enough to occupy a free niche, it is necessary to gain a foothold as a leader. Who will be able to offer the best protection will become popular.