Their views are applicable to different occasions. If you are soldering the board by hand, you will need to raise the temperature of the soldering iron tip to compensate for the soldering problems caused by the soldered vias dissipating heat from the copper layer. However, if you use wave soldering, you need to use anti-thermal vias to prevent device loosening, cold soldering, tombstones, etc., so I suggest you better bite the bullet and stick to the thermal-preventing via design. Right-angle routing is perhaps the most love-hate principle of PCB routing. Today I still see a lot of PCB designers insisting that no right-angle routing is allowed at any time, and for a variety of reasons.