Uhm, I get your points still I'd say home services and medical professionals would benefit from having a website.
Apart from the pure boost you can have linking your GBP to your website, I'd say the website can help optimizing the space in the SERPs related to your community.
Let's say a plumber want to focus on a specific city. I'm not saying they shouldn't be on Yelp or Angie's list, but if their website can make to page one they may have a chance to get as much exposure as possible for their money SERPs.
Also, having something like a structured and complete quotation page can definitely help your website to rank.
Uhm, I get your points still I'd say home services and medical professionals would benefit from having a website.
Apart from the pure boost you can have linking your GBP to your website, I'd say the website can help optimizing the space in the SERPs related to your community.
Let's say a plumber want to focus on a specific city. I'm not saying they shouldn't be on Yelp or Angie's list, but if their website can make to page one they may have a chance to get as much exposure as possible for their money SERPs.
Also, having something like a structured and complete quotation page can definitely help your website to rank.