[...] and coinbase must do a right counteraction regarding on this I think they should create something as @Mandarava said like binance anti phising feature since it could really help the newbies to determine the phising attempts.
And then they receive a phishing mail from another service they are using (e.g. online banking, other exchange, etc..) and they fall for it.
Specific anti-phishing codes are helpful, but people need to learn to spot phishing mails. Even without anti-phishing codes.
Not everyone is using anti-phishing codes. And it most likely won't change anytime soon.
Checking the header and looking at the sending mail address and maybe even at the originating mail server can most often call out those phishing mails.
And if everything seems to be legit but you are still unsure, visit the website directly (not via the URL inside of the mail) and contact the customer service to check whether the mail is legit.